Neil Armstrong was an American astronaut and the first person to walk on the Moon in 1969. He was also an aeronautical engineer, naval aviator, test pilot, and university professor.
This is based on winning 61 head-to-head matchups with other famous people, but also losing 32 head-to-head matchups.
Most recently Neil Armstrong lost a matchup to Ellie Goulding (#458) voted by someone from Canada.