Paul Allen, who co-founded Microsoft along with Bill Gates, has been diagnosed with Non-Hodgkin Lymphoma, a cancer that affects the lymphocytes of the immune system, according to multiple reports. He has previously battled Hodgkin disease, another type of Lymphoma, back in 1983.
Beyond Microsoft, Paul Allen has been active as an investor, acting as chairman of Vulcan Inc. and Charter Communications, as well as being the owner of the Seattle Seahawks NFL team and the Portland Trail Blazers NBA team. He was the sole investor behind SpaceShipOne, the first privately funded spaceship to reach suborbital space.