Paul Allen

Paul Gardner Allen (January 21, 1953 – October 15, 2018) was an American businessman, computer programmer, investor, and philanthropist who co-founded Microsoft Corporation with his childhood friend Bill Gates in 1975. As one of the world's wealthiest individuals at his peak, Allen used his fortune to pursue interests spanning technology, science, sports, space exploration, art, music, and philanthropy, becoming one of the most influential figures in Seattle and the Pacific Northwest.

Allen conceived the idea for Microsoft after reading about the MITS Altair 8800 in Popular Electronics magazine in January 1975. He convinced Gates to drop out of Harvard to form a company that would create software for personal computers. Allen came up with the company's name—a portmanteau of "microcomputer" and "software"—and served as Microsoft's first president until his departure in 1983 following a diagnosis of Hodgkin's lymphoma. His timing proved crucial: Allen retained a 25% stake in Microsoft that made him a billionaire when the company went public in 1986 and remained one of its largest individual shareholders until his death.

Beyond Microsoft, Allen became one of America's most prolific philanthropists, giving more than $2 billion during his lifetime to causes including brain science research, artificial intelligence, environmental conservation, education, and the arts. He founded multiple Allen Institutes dedicated to scientific research, funded the first privately financed human spaceflight with SpaceShipOne in 2004, and assembled one of the world's most valuable private art collections, which sold at auction for a record $1.6 billion after his death.

Allen owned three major professional sports franchises: the Seattle Seahawks (NFL), Portland Trail Blazers (NBA), and Seattle Sounders FC (MLS). Under his ownership, the Seahawks won Super Bowl XLVIII in 2014 and became one of the NFL's most valuable franchises. His investments in Seattle real estate, including the South Lake Union neighborhood that became Amazon's headquarters, transformed the city's landscape.

Despite accumulating vast wealth, Allen never married and had no children. He was diagnosed with non-Hodgkin lymphoma in 2009 and died of septic shock related to the cancer on October 15, 2018, at age 65, just two weeks after publicly announcing his cancer had returned. His death prompted worldwide tributes from technology leaders, sports figures, and philanthropists who recognized his outsized impact on computing, Seattle, and numerous fields he touched with his boundless curiosity and generosity.

Early Life and Family Background

Origins

Paul Gardner Allen was born on January 21, 1953, in Seattle, Washington. His father, Kenneth Sam Allen, worked as a librarian, eventually becoming an associate director at the University of Washington library system. His mother, Edna Faye (née Gardner) Allen, was a fourth-grade teacher. The combination of a librarian father and teacher mother created a household that valued learning, reading, and intellectual curiosity.

Growing up in Seattle in the 1950s and 1960s, Allen came of age in a city experiencing rapid growth fueled by Boeing and the aerospace industry. The region's technical culture, combined with access to early computing resources, would prove formative for both Allen and his future business partner, Bill Gates.

Allen had one sibling, his sister Jody Allen, who would later play a crucial role in managing his business empire and philanthropic efforts through Vulcan Inc. After Paul's death, Jody became the executor of his estate and continues to oversee his charitable legacy.

Lakeside School and Meeting Bill Gates

From 1965 to 1971, Allen attended Lakeside School, an elite private preparatory school in Seattle. It was at Lakeside that Allen met Bill Gates, who was two years younger but shared an intense fascination with computers. Their meeting would prove to be one of the most consequential friendships in technology history.

Lakeside School made an unusual decision in 1968: it used proceeds from a rummage sale to purchase a Teletype Model 33 ASR terminal and a block of computer time on a General Electric mainframe computer. This decision gave Allen, Gates, and a small group of students access to computing resources that were rare at most universities, let alone high schools.

Allen and Gates, along with their friends Ric Weiland and Kent Evans (Gates's childhood best friend), quickly became obsessed with the computer. They formed the Lakeside Programming Club and spent countless hours learning to program. When the school's allotted computer time ran out, they found other ways to gain access.

The Computer Center Corporation (known as C-Cubed), a local company that operated a PDP-10 computer, offered the students free computer time in exchange for finding bugs in their software. Allen, Gates, and their friends eagerly accepted, gaining invaluable programming experience while helping the company identify software vulnerabilities. This arrangement ended when the students were caught exploiting the system and were banned for a period—an early indication of their aggressive approach to technology.

Early Programming Ventures

In 1972, tragedy struck when Kent Evans died in a mountain climbing accident. Gates, who had relied heavily on Evans's collaboration, turned to Allen to help finish an automated class scheduling system they had been developing for Lakeside. This project deepened the programming partnership between Allen and Gates.

The two then formed Traf-O-Data, a company designed to create traffic counters based on the Intel 8008 processor. The business analyzed traffic flow data from road-embedded sensors and sold the information to local governments. While Traf-O-Data was never particularly successful, it provided real-world business experience and reinforced Allen's belief that microprocessors would transform computing.

According to Allen, he and Gates would go "dumpster diving" during their teenage years, searching through corporate trash for discarded computer code listings they could study and learn from. This scrappy, self-taught approach to learning characterized their entire early career.

Education

Allen achieved a perfect score of 1600 on the SAT, demonstrating his exceptional intellectual abilities. He enrolled at Washington State University in Pullman, where he joined the Phi Kappa Theta fraternity. However, his heart was never fully in traditional academics—he was more interested in programming and the emerging world of microcomputers.

After two years at WSU, Allen dropped out to work as a programmer for Honeywell in Boston. The move was strategic: Boston was near Harvard University, where Bill Gates was enrolled as a student. Allen hoped to eventually convince Gates to join him in starting a software company.

The two friends stayed in touch, with Allen visiting Gates at Harvard and sharing his growing conviction that the microcomputer revolution was imminent. Allen believed that the key to success was creating software for these new machines before anyone else. He just needed to convince Gates to take the plunge.

Microsoft

The Vision

In January 1975, Allen read an article in Popular Electronics magazine about the MITS Altair 8800, a kit computer that many consider the first personal computer designed for hobbyists. The Altair used the Intel 8080 processor and could be assembled from a kit for $395.

Allen immediately recognized the significance. He bought a copy of the magazine and rushed to show Gates. "This is it," Allen told his friend. The Altair represented the beginning of the personal computer age, and whoever created software for it would be positioned to dominate the industry.

Allen convinced Gates that they needed to act immediately. The opportunity to become the leading software provider for personal computers might not last. Gates agreed, and the two contacted MITS to offer a BASIC programming language interpreter for the Altair.

Founding the Company

There was just one problem: Allen and Gates didn't actually have a BASIC interpreter. They had promised MITS something that didn't yet exist. Working frantically over eight weeks, with Allen creating a simulator for the 8080 processor on Harvard's PDP-10 computer, they developed Altair BASIC.

In March 1975, Gates flew to Albuquerque, New Mexico, to demonstrate the software at MITS headquarters. To everyone's relief—and despite never having tested it on an actual Altair—the program worked perfectly on the first try. MITS agreed to distribute the software, and Microsoft was born.

The company was officially founded in 1975 in Albuquerque, where MITS was located. Allen came up with the company's name, combining "microcomputer" and "software" into "Micro-Soft." The hyphen was later dropped. Their first employee was Ric Weiland, their old friend from the Lakeside Programming Club.

Building the Business

Allen served as Microsoft's first president while Gates took the role of chairman. Despite being older, Allen was more interested in technology and product development than in the day-to-day business operations that Gates increasingly handled.

The partners divided their equity, though not equally. Gates pushed for a 60-40 split, arguing that he contributed more work. Allen agreed, but Gates later renegotiated to 64-36 in his favor. These equity negotiations would become a source of lasting tension between the two founders.

Microsoft's big break came in 1980 when IBM approached the company about operating system software for its upcoming personal computer. IBM had originally wanted to license CP/M from Digital Research, but negotiations fell through. Microsoft committed to delivering an operating system despite not yet having one—a pattern reminiscent of the Altair BASIC situation.

The IBM Deal

Allen spearheaded one of the most important deals in technology history. Learning that Seattle Computer Products had developed an operating system called QDOS (Quick and Dirty Operating System), Allen orchestrated Microsoft's purchase of the software for $50,000. Microsoft renamed it MS-DOS and licensed it to IBM for the original IBM PC.

Crucially, Microsoft retained the rights to license the operating system to other computer makers. When IBM PC clones flooded the market in the 1980s, virtually all of them ran MS-DOS. This single decision, which Allen helped engineer, created the foundation for Microsoft's dominance of the personal computer software market.

The company restructured on June 25, 1981, becoming an incorporated business in Washington state with the name "Microsoft Corporation, Inc." Gates became president and chairman of the board, while Allen became executive vice president and vice chairman.

Conflict with Gates

The relationship between Allen and Gates became increasingly strained as Microsoft grew. In his 2011 memoir "Idea Man," Allen wrote candidly about the conflicts, describing Gates as having an "abusive personality" who insulted employees with put-downs like "that's the stupidest f---ing thing I've ever heard."

Allen recounted that Gates repeatedly pushed to renegotiate their equity split in his favor. When Allen accomplished a major task, his own request for additional shares was rejected. The imbalance gnawed at Allen, who felt his technical contributions were undervalued.

The lowest point came in 1982. Allen wrote that he overheard Gates and Steve Ballmer (who would later become Microsoft's CEO) discussing how to dilute Allen's shares because he wasn't doing enough work. Allen was simultaneously battling Hodgkin's lymphoma, making the betrayal particularly painful.

"It was mercenary opportunism, plain and simple," Allen wrote. Gates later responded to the memoir by saying "while my recollection of many of these events may differ from Paul's, I value his friendship and the important contributions he made to the world of technology and at Microsoft."

Departure from Microsoft

Allen effectively left Microsoft in 1982 after being diagnosed with Hodgkin's lymphoma. The cancer diagnosis prompted him to reassess his priorities and conclude that "life was too short to spend it unhappily." After treatment with radiation therapy, he stepped back from day-to-day operations while remaining on the board of directors as vice chairman.

In 1983, Gates offered to buy out Allen's stake at $5 per share. Allen refused and retained his shares—a decision that would prove enormously lucrative. When Microsoft went public in 1986, Allen's 25.2% stake made him a billionaire.

Despite the conflicts documented in his memoir, Allen and Gates eventually repaired their relationship. In 1986, they jointly donated $2.2 million to Lakeside School, their shared alma mater. Gates later said they had reconciled and remained friends until Allen's death.

Allen resigned from Microsoft's board of directors on November 9, 2000, but remained as a senior strategy advisor to company executives. As of January 2014, he still held 100 million shares of Microsoft stock.

Vulcan Inc. and Business Empire

Vulcan Inc.

In 1986, Allen and his sister Jody founded Vulcan Inc., a privately held company that would manage Allen's vast business interests and philanthropic efforts. Headquartered in Seattle, Vulcan became the vehicle through which Allen pursued investments across technology, media, real estate, sports, and numerous other sectors.

The name "Vulcan" comes from the Greek god of fire and forge, appropriate for a company focused on creation and innovation. Under the Vulcan umbrella, Allen maintained different divisions handling investments, real estate, entertainment, aerospace, and philanthropy.

Vulcan Capital, the investment arm, managed Allen's personal fortune and made strategic investments in technology companies. In 2013, Allen opened a Vulcan Capital office in Palo Alto, California, to focus on emerging technology and internet investments.

Technology Investments

Allen's investment portfolio was remarkably diverse. He held 43 patents from the United States Patent and Trademark Office and backed numerous technology startups.

His major technology investments included:

• Charter Communications: In 1998, Allen bought a controlling interest in the cable company. While Charter's 2009 bankruptcy reorganization cost Allen an estimated $7 billion, the company eventually recovered. Charter's 2016 merger with Time Warner Cable created the second-largest cable company in the United States.

• Ticketmaster: In 1993, Allen invested more than $325 million to acquire 80% of Ticketmaster. He later sold a significant portion to Home Shopping Network in 1997.

• Interval Research Corporation: Co-founded in 1992 with David Liddle, this Silicon Valley laboratory and business incubator generated over 300 patents before dissolving in 2000.

• DreamWorks: Allen was an early investor in the DreamWorks studio founded by Steven Spielberg, Jeffrey Katzenberg, and David Geffen.

Real Estate Development

Allen's Vulcan Real Estate division transformed Seattle's urban landscape, most notably through the redevelopment of the South Lake Union neighborhood immediately north of downtown Seattle. What had been an industrial area became a thriving district of residential, office, retail, and biotechnology research space.

Vulcan developed 6.3 million square feet of new construction in South Lake Union, with total development capacity of 10 million square feet. The company advocated for the South Lake Union Streetcar, a light rail line connecting the neighborhood to downtown Seattle.

The investment proved spectacularly successful. In 2012, The Wall Street Journal called Allen's South Lake Union investment "unexpectedly lucrative" after Vulcan sold a 1.8 million-square-foot office complex to Amazon for $1.16 billion—one of the most expensive office deals in Seattle history. Amazon would eventually make South Lake Union its global headquarters, validating Allen's vision for the neighborhood.

"It's exceeded my expectations," Allen said of the development.

Patents and Lawsuits

In August 2010, Allen filed a patent infringement lawsuit against eleven major technology companies: AOL, Apple, eBay, Facebook, Google, Netflix, Office Depot, OfficeMax, Staples, Yahoo!, and YouTube. The lawsuit involved four patents generated by Interval Research Corporation.

The lawsuit was controversial, with critics accusing Allen of patent trolling—using broad patents to extract licensing fees from successful companies. Allen defended the suit as protecting legitimate intellectual property. The case was eventually settled, with terms undisclosed.

Sports Team Ownership

Seattle Seahawks

Allen purchased the Seattle Seahawks of the National Football League in 1997 from owner Ken Behring for approximately $200 million. Behring had attempted to move the team to southern California the previous year, and Allen's purchase was widely credited with keeping the team in Seattle.

Herman Sarkowsky, a former Seahawks minority owner, told The Seattle Times: "I'm not sure anybody else in this community would have done what [Allen] did." The purchase made Allen a civic hero in Seattle, where he was seen as having saved a beloved institution.

In 2002, the team moved into the new Seahawks Stadium (now Lumen Field) after Allen invested significantly in the facility's construction. The stadium featured one of the loudest crowds in the NFL, with fans setting a Guinness World Record for crowd noise.

Under Allen's ownership, the Seahawks became perennial contenders:

• Super Bowl XL (2005 season): Lost to Pittsburgh Steelers
• Super Bowl XLVIII (2013 season): Defeated Denver Broncos 43-8
• Super Bowl XLIX (2014 season): Lost to New England Patriots

The Super Bowl XLVIII victory was the franchise's first championship and represented the culmination of Allen's investment in the team. By the time of Allen's death, Forbes valued the Seahawks at over $2.5 billion.

Portland Trail Blazers

Allen purchased the Portland Trail Blazers of the National Basketball Association in 1988 from California real estate developer Larry Weinberg for $70 million. The acquisition made him one of the few owners to control major franchises in both the NFL and NBA.

Allen was instrumental in developing and funding the Moda Center (originally called the Rose Garden), where the Blazers play. He purchased the arena outright on April 2, 2007, describing it as "a major milestone and a positive step for the franchise."

Under Allen's ownership, the Trail Blazers reached the playoffs 19 times, including NBA Finals appearances in 1990 and 1992. While the team never won a championship under Allen, it remained competitive and developed passionate fan support.

By 2021, Forbes valued the Blazers at $2.09 billion, ranking them 13th among the 30 NBA teams. Allen's estate put the team up for sale after his death.

Seattle Sounders FC

Allen's Vulcan Sports & Entertainment was part of the ownership group that brought Major League Soccer to Seattle with the Seattle Sounders FC in 2009. Other owners included film producer Joe Roth, businessman Adrian Hanauer, and comedian Drew Carey.

The Sounders played at CenturyLink Field (now Lumen Field), the same stadium as the Seahawks. The team was an immediate success, selling out every home game during its first season and setting a new MLS record for average match attendance.

Space Exploration

SpaceShipOne and the Ansari X Prize

Allen's most ambitious venture outside technology was his funding of the first privately financed human spaceflight. In 2004, he confirmed that he was the sole investor behind aerospace engineer Burt Rutan's SpaceShipOne project.

The spacecraft was developed by Mojave Aerospace Ventures, a joint venture between Allen and Rutan's company Scaled Composites. SpaceShipOne was designed to be carried to altitude by a carrier aircraft called White Knight, then released to rocket into suborbital space.

On June 21, 2004, SpaceShipOne made history as the first privately funded spacecraft to reach space, with pilot Mike Melvill flying to an altitude of over 100 kilometers (62 miles). This flight demonstrated that private citizens and companies could achieve what had previously been the exclusive domain of governments.

SpaceShipOne won the Ansari X Prize on October 4, 2004—the 47th anniversary of Sputnik's launch—by completing two flights to space within two weeks. Pilot Brian Binnie flew the second flight to 112 kilometers, surpassing the X-15's altitude record. Allen received the $10 million prize, though the project had cost an estimated $25 million.

The achievement spawned the commercial spaceflight industry. Richard Branson licensed the SpaceShipOne technology and founded Virgin Galactic to offer suborbital space tourism. SpaceShipOne itself was donated to the Smithsonian's National Air and Space Museum, where it hangs alongside the Spirit of St. Louis and the Apollo 11 command module.

Stratolaunch

On December 13, 2011, Allen announced the creation of Stratolaunch Systems, based at the Mojave Air and Space Port. The project aimed to build the world's largest airplane by wingspan—a massive aircraft capable of carrying rockets to high altitude for air-launched orbital missions.

The Stratolaunch aircraft featured a unique dual-fuselage design with six engines and a 385-foot wingspan. The concept was to provide flexible, on-demand access to space by launching from runways rather than traditional launch pads.

Allen did not live to see the aircraft fly. On April 13, 2019—six months after his death—Stratolaunch completed its maiden flight, reaching 15,000 feet during a 2.5-hour test. It became the largest aircraft in history by wingspan, fulfilling Allen's vision.

Stratolaunch CEO Jean Floyd dedicated the flight to Allen: "We dedicate this day to the man who inspired us all to strive for ways to empower the world's problem-solvers, Paul Allen. Without a doubt, he would have been exceptionally proud to see his aircraft take flight."

Stratolaunch Systems Corporation ceased operations at the end of May 2019, though the aircraft itself was later acquired by new owners who continue to develop it.

Philanthropy

Overview

Allen gave more than $2 billion to philanthropic causes during his lifetime, making him one of America's most generous benefactors. His giving focused on science, technology, education, wildlife conservation, the arts, and community services.

In 2010, Allen became a signatory of The Giving Pledge, promising to give at least half of his fortune to philanthropic causes. He received numerous awards for his philanthropy, including the Andrew Carnegie Medal of Philanthropy (2015) and Inside Philanthropy's "Philanthropist of the Year."

The Paul G. Allen Family Foundation, which he established with his sister Jody, administered a significant portion of his charitable contributions. As of 2015, the foundation had distributed more than $494 million to over 1,500 nonprofit organizations.

Allen Institute for Brain Science

In September 2003, Allen launched the Allen Institute for Brain Science with a $100 million commitment dedicated to understanding how the human brain works. Over time, Allen donated $500 million to the institute—his single largest philanthropic contribution.

The institute takes a "Big Science" approach, creating comprehensive maps and databases of brain structure and function that are made freely available to researchers worldwide. Projects include the Allen Mouse Brain Atlas, Allen Human Brain Atlas, and Allen Mouse Brain Connectivity Atlas.

The institute's work helped advance major government initiatives, including the White House's BRAIN Initiative and the European Human Brain Project. By making its data open and accessible, the Allen Institute accelerated neuroscience research globally.

Allen Institute for Artificial Intelligence

Founded in 2014, the Allen Institute for Artificial Intelligence (AI2) focuses on conducting high-impact AI research and engineering. Led by researcher and professor Oren Etzioni, AI2 is modeled after the brain science institute.

Major AI2 projects have included Semantic Scholar (an AI-powered academic search engine), and Aristo (an AI system designed to pass science exams). The institute represents Allen's belief that artificial intelligence would transform society and that basic research was essential to ensuring beneficial outcomes.

Allen Institute for Cell Science

In December 2014, Allen committed $100 million to create the Allen Institute for Cell Science in Seattle. The institute investigates cell structure and function, creating virtual models of cells to help understand diseases and develop treatments.

Like Allen's other research institutes, the Cell Science institute makes all data and tools publicly available, accelerating research across the scientific community.

Environmental and Conservation Work

Allen provided more than $7 million to fund the Great Elephant Census, the largest survey of African elephant populations since the 1970s. Teams flew over 20 countries to count elephants, with results published in 2015 showing rapid decline in populations.

He supported the University of British Columbia's Sea Around Us Project, contributing $2.6 million to improve data on global fisheries and combat illegal fishing. Allen also funded the Global FinPrint initiative, a three-year survey of sharks and rays in coral reef areas.

Allen backed Washington state initiative 1401, which prohibited the sale of products made from endangered species including elephants, rhinos, and tigers. The initiative passed in November 2015.

Ebola Response

During the 2014-2015 Ebola outbreak in West Africa, Allen pledged at least $100 million to fight the epidemic—making him the largest private donor to the crisis. He created TackleEbola.org to raise awareness and direct donations to relief organizations.

On April 21, 2015, Allen hosted the Ebola Innovation Summit in San Francisco, bringing together key leaders in the fight against the disease. The summit aimed to share lessons learned and maintain momentum until the outbreak was fully contained. Ebola cases reached zero in January 2016.

Education

Allen made substantial donations to educational institutions:

• In 1989, he donated $2 million to the University of Washington to build the Allen Library, named after his father, and an additional $8 million for an endowment.
• In 2002, he donated $14 million for the Paul G. Allen Center for Computer Science and Engineering at UW.
• In 2010, he gave $26 million to Washington State University—his alma mater—for the Paul G. Allen School of Global Animal Health.
• In 2017, he donated $40 million (plus $10 million from Microsoft) to reorganize UW's computer science department into the Paul G. Allen School of Computer Science and Engineering.

Exploration and Discovery

Shipwreck Discoveries

Allen funded the research vessel RV Petrel specifically to search for historic shipwrecks. The project combined his love of history, technology, and exploration.

Major discoveries by the Petrel team include:

• IJN Musashi (2015): The Japanese battleship, one of the largest ever built, was sunk during World War II. Allen's team found it in the Sibuyan Sea.
• USS Indianapolis (2017): The cruiser was torpedoed after delivering components for the first atomic bomb. Its sinking was one of the worst naval disasters in U.S. history.
• USS Ward (2017): The destroyer fired the first American shots of World War II when it sank a Japanese midget submarine at Pearl Harbor.
• USS Lexington (2018): The aircraft carrier sunk during the Battle of the Coral Sea.
• USS Juneau (2018): Famous as the ship on which the five Sullivan brothers served and died together.

In 2012, Allen and his team attempted to retrieve the ship's bell from HMS Hood, the British battlecruiser sunk by the German battleship Bismarck in 1941. After an initial failure due to weather, they succeeded in August 2015. The restored bell is now displayed at the National Museum of the Royal Navy in Portsmouth.

Art Collection

Building the Collection

Allen was an avid art collector who assembled one of the most valuable private collections in the world. His holdings included works by Georges Seurat, Paul Cézanne, Vincent van Gogh, Gustav Klimt, Pablo Picasso, Roy Lichtenstein, Andy Warhol, and many other masters.

Unlike some collectors who keep their art private, Allen regularly loaned works to museums and exhibitions. He lent more than 300 pieces from his collection to 47 venues over the years, sharing his passion with the public.

Among his notable acquisitions was the original 541-page typescript of Bram Stoker's novel "Dracula"—a unique literary artifact.

The Record-Breaking Auction

After Allen's death, his art collection was sold at Christie's New York in November 2022. The auction became the biggest in art history, surpassing $1.5 billion in total sales. All proceeds went to philanthropy, as Allen had directed.

Six works sold for more than $100 million each:

• Georges Seurat's "Les Poseuses, Ensemble (Petite version)" – $149 million
• Paul Cézanne's "La Montagne Sainte-Victoire" (1888-90) – $138 million
• Vincent van Gogh's "Verger avec cyprès" – $117 million
• Gustav Klimt's "Birch Forest" (1903) – $105 million

The auction represented the final, posthumous act of Allen's philanthropy—transforming his passion for art into support for the charitable causes he championed.

Music

Allen was an accomplished musician who received his first electric guitar at age sixteen after being inspired by Jimi Hendrix. He played rhythm guitar throughout his life and sometimes performed publicly with his band, the Underthinkers.

In 2000, Allen played on the independently produced album "Grown Men." In 2013, he released "Everywhere at Once" on Sony's Legacy Recordings. PopMatters.com described the album as "a quality release of blues-rock that's enjoyable from start to finish."

Music legend Quincy Jones praised Allen's abilities in a 2018 interview, saying he "sings and plays just like Hendrix."

Allen's annual parties during the Cannes Film Festival became legendary for featuring live performances by his band alongside guest musicians like Usher and Dave Stewart.

Yachts

Octopus

Allen's 414-foot yacht Octopus, launched in 2003, was one of the largest and most sophisticated private vessels in the world. The yacht featured two helicopters, a submarine, a remotely operated underwater vehicle (ROV), a swimming pool, a recording studio, and a basketball court.

Octopus was a member of AMVER, a voluntary ship reporting system used by maritime authorities worldwide to coordinate rescue operations. The yacht participated in numerous humanitarian and scientific missions, including the search for a missing American pilot off Palau and the study of coelacanths, a rare "living fossil" fish.

Following Allen's death, Octopus was refitted and put on the market for $325 million. It eventually sold for approximately $278 million.

Tatoosh

Allen also owned Tatoosh, one of the world's 100 largest yachts. In January 2016, Tatoosh damaged approximately 1,300 square meters of coral reef in the Cayman Islands' West Bay replenishment zone. Allen's Vulcan Inc. worked with the Department of Environment to develop a restoration plan to help the reef recover.

Museums and Cultural Institutions

Allen established several nonprofit institutions to share his collections and interests with the public:

Museum of Pop Culture (MoPOP)

Originally called the Experience Music Project, MoPOP opened in 2000 in a distinctive Frank Gehry-designed building at Seattle Center. The museum explores contemporary popular culture, with permanent exhibits on rock music, science fiction, and gaming.

The museum was initially focused on Jimi Hendrix and rock music history, reflecting Allen's personal passion. It has since expanded to cover broader aspects of popular culture.

Flying Heritage Collection

Established in 2004, this collection showcases restored vintage military aircraft and equipment, primarily from World War II. Many of the aircraft are kept in flying condition, with periodic flight demonstrations.

Living Computer: Museum + Labs

Opened to the public in 2012, this Seattle museum features vintage computers in working order. Visitors can interact with historic systems through on-site or networked access, experiencing computing history firsthand.

Personal Life

Relationships

Despite expressing interest in romantic love and having a family, Allen never married and had no children. In his memoir, he mentioned that marriage plans with his first girlfriend were cancelled because he "was not ready to marry at 23."

Allen was sometimes described as reclusive, preferring the company of close friends and family to the social circuit common among billionaires. His sister Jody remained his closest confidante and business partner throughout his life.

Homes

In the 1990s, Allen purchased the former Los Angeles estate of actor Rock Hudson from film director John Landis. He added the Neptune Valley recording studio to the property. After Allen's death, his family put the home on the market for $56 million.

Allen maintained properties in Seattle, including a waterfront home on Mercer Island, and other locations. His estate has sold more than $233 million worth of his real estate holdings since his death.

Health

Allen's health struggles profoundly shaped his life and career. His 1982 diagnosis of Hodgkin's lymphoma prompted his departure from Microsoft and led him to reassess his priorities.

In 2009, Allen was diagnosed with non-Hodgkin lymphoma. He underwent successful treatment, but the cancer returned in 2018. Just two weeks after publicly announcing the recurrence, Allen died of septic shock related to the cancer on October 15, 2018, at age 65.

The relatively short interval between his announcement and death surprised many who had expected him to fight the disease for longer. The speed of his decline underscored how dangerous lymphoma-related complications can be.

Death and Legacy

Death

Paul Allen died on October 15, 2018, in Seattle, from septic shock as a complication of non-Hodgkin lymphoma. He was 65 years old.

Tributes poured in from across the technology industry and beyond. Bill Gates issued a statement saying: "I am heartbroken by the passing of one of my oldest and dearest friends, Paul Allen. From our early days together at Lakeside School, through our partnership in the creation of Microsoft, to some of our joint philanthropic projects over the years, Paul was a true partner and dear friend. Personal computing would not have existed without him."

Microsoft CEO Satya Nadella called Allen's contributions to the company and the technology industry "indispensable."

Seattle landmarks including the Space Needle, Columbia Center, and Lumen Field were illuminated in blue on November 3, 2018, as a tribute.

Estate

Allen's sister Jody became the executor of his estimated $20.3 billion estate. The estate has systematically liquidated many of his assets, including the record-breaking art auction, yacht sales, and real estate transactions. All proceeds from the art auction went to philanthropic causes.

The Portland Trail Blazers were put up for sale, with potential buyers including other billionaires interested in NBA ownership.

In 2022, the Paul Allen estate created the Fund for Science and Technology (FFST), which launched in August 2025 with an initial endowment of $3.1 billion. The foundation is led by Lynda Stuart and chaired by Jody Allen.

Legacy

Paul Allen's legacy spans multiple domains:

Computing: As Microsoft's co-founder and the person who conceived the company's name and initial strategy, Allen was essential to the personal computer revolution. His technical contributions during Microsoft's early years helped establish the software industry.

Philanthropy: His more than $2 billion in lifetime giving, plus the additional billions from his estate, advanced brain science, artificial intelligence, cell biology, conservation, and education. The Allen Institutes continue producing groundbreaking research.

Space Exploration: SpaceShipOne proved that private companies could reach space, catalyzing the commercial space industry. The Stratolaunch aircraft, completed after his death, represents his vision of making space access more flexible and affordable.

Seattle: Allen's investments transformed Seattle's South Lake Union neighborhood, kept the Seahawks in town, and established numerous cultural institutions. His fingerprints are visible across the city's landscape.

Discovery: The shipwrecks found by his research vessel added to historical knowledge and provided closure for families of those who perished on the vessels.

Publications

Idea Man

Allen's memoir, "Idea Man: A Memoir by the Co-founder of Microsoft," was published by Portfolio (a Penguin imprint) in 2011. The book recounts his childhood fascination with computers, the founding of Microsoft with Bill Gates, and his post-Microsoft career.

The memoir was notable for its candid discussion of Allen's conflicts with Gates, providing an insider's perspective on one of the technology industry's most important partnerships. While controversial for its revelations, the book also expressed Allen's enduring affection for Gates and his appreciation for what they built together.

Awards and Recognition

• Time 100 Most Influential People (2007, 2008)
• Heinz Award (2011)
• Andrew Carnegie Medal of Philanthropy (2015)
• Inside Philanthropy "Philanthropist of the Year"
• Vanguard Award from the Producers Guild of America
• Paul Allen's flower fly (Copestylum alleni) named in his honor

See Also

• Microsoft
• Bill Gates
• Seattle Seahawks
• Portland Trail Blazers
• SpaceShipOne
• Vulcan Inc.
• Allen Institute for Brain Science

External Links

• Vulcan Inc.
• Allen Institute
• Museum of Pop Culture
• Seattle Seahawks
• Portland Trail Blazers