Neil deGrasse Tyson is an American astrophysicist and science communicator. He has directed the Hayden Planetarium since 1996 and hosted numerous science shows including 'NOVA ScienceNow' and 'Cosmos: A Spacetime Odyssey'. He is renowned for popularizing science through his books and media appearances.
This is based on winning 9 head-to-head matchups with other famous people, but also losing 14 head-to-head matchups.
Most recently Neil deGrasse Tyson lost a matchup to Charlotte Rampling (#1913) voted by someone from United States.