The Great Elephant Census was a massive undertaking to survey the remaining savanna elephants across the African continent. Results of this survey shocked the world into action.
Paul's name is, of course, synonymous with Microsoft, the company he co-founded with his friend Bill Gates, which changed the trajectory of modern computing.
Paul pursued making space more accessible in ways that would fuel space innovation — including SpaceShipOne, the Allen Telescope Array, and Stratolaunch, the world's largest airplane by wingspan.
The Allen Institute and the Allen Institute for Artificial Intelligence lead cutting-edge science and making groundbreaking discoveries in bioscience and artificial intelligence research.
Paul purchased the Seattle Seahawks NFL franchise in 1997, and since then the team has gone on to make three Super Bowl appearances.
Paul believed technology could be leveraged to protect our planet, wildlife, and resources, and improve the lives of people everywhere.