Martin Gardner

Martin Gardner

male, 95 years old
Martin Gardner (b. October 21, 1914, Tulsa, Oklahoma) is a popular American mathematics and science writer specializing in recreational...
Sam Loyd

Sam Loyd

male, deceased (1911)
Samuel Loyd (January 31, 1841-April 10, 1911), born in Philadelphia and raised in New York, was an American puzzle author and recreational...
Roger Penrose

Roger Penrose

male, 78 years old
Sir Roger Penrose, OM, FRS (born 8 August 1931) is an English mathematical physicist and Emeritus Rouse Ball Professor of Mathematics at the...
David Eppstein

David Eppstein

male
David Eppstein (born 1963) is a computer scientist at the Computer Science Department, Donald Bren School of Information and Computer Sciences,...
John Horton Conway

John Horton Conway

male, 71 years old
John Horton Conway (born December 26, 1937, Liverpool, England) is a prolific mathematician active in the theory of finite groups, knot theory,...
Ed Pegg Jr.

Ed Pegg Jr.

male, 45 years old
Ed Pegg, Jr. is an expert on mathematical puzzles and is a self-described recreational mathematician. He creates puzzles for the Mathematical...
Eric W. Weisstein

Eric W. Weisstein

male, 40 years old
Eric W. Weisstein (born March 18, 1969, in Bloomington, Indiana) is an encyclopedist who created and maintains "MathWorld" and "Eric Weisstein's...
Maurice Kraitchik

Maurice Kraitchik

male, deceased (1957)
Maurice Kraitchik was a Belgian mathematician and populariser born in Russia. His main interests were the theory of numbers and recreational...
Alexander Dewdney

Alexander Dewdney

male, 68 years old
Alexander Keewatin Dewdney (born August 5 1941 in London, Ontario) is a Canadian mathematician, computer scientist and philosopher who has written...

Walter Trump

male
Walter Trump is a German mathematician. He is known for discovering results on recreational mathematics. He has credits from square packing problem...