Henri Poincaré

male, deceased (1912)
Relativists, eidetic memory, Chaos theorist, principle of relativity, topologist, three-body problem
Jules Henri Poincaré was one of France's greatest mathematicians and theoretical physicists, and a philosopher of science. Poincaré is often de...
William Thurston

William Thurston

male, 63 years old
New College of Florida alumni, William Paul Thurston, low-dimensional topology, Fields Medal, University of California, Davis, University of California, Berkeley faculty…topologist
William Paul Thurston (born October 30, 1946) is an American mathematician. He is a pioneer in the field of low-dimensional topology. In 1982, he...
Solomon Lefschetz

Solomon Lefschetz

male, deceased (1972)
Jewish, University of Nebraska, Princeton University, University of Kansas, mathematician, Jewish American…topologist
Solomon Lefschetz was an American mathematician who did fundamental work on algebraic topology, its applications to algebraic geometry, and the...
Grigori Perelman

Grigori Perelman

male, 43 years old
scientist, Jewish, Riemannian geometry, Poincaré conjecture, Fields Medal, Geometrization conjecture…topologist
Grigori Yakovlevich Perelman, born 13 June 1966 in Leningrad, USSR (now St. Petersburg, Russia), sometimes known as Grisha Perelman, is a Russian...
Stephen Smale

Stephen Smale

male, 79 years old (Flint, Michigan, United States)
University of Chicago, nuclear physics, National Medal of Science recipient, Erdős number 4, Wolf Prize recipient, Poincaré conjecture…topologist
Stephen Smale (born July 15, 1930) is an American mathematician from Flint, Michigan, and winner of the Fields Medal in 1966. He entered the...

René Thom

male, deceased (2002)
mathematician, Alumni of the École Normale Supérieure, French, Fields Medalist, topologist, Erdős number 4
René Thom was a French mathematician. He made his reputation as a topologist, moving on to aspects of what would be called singularity theory; he b...

John Morgan

male
Columbia University, Erdős number 3, topologist, topology, geometry, American
John Willard Morgan is an American mathematician, well-known for his contributions to topology and geometry. He is currently Professor and Chair of...
Michael Atiyah

Michael Atiyah

male, 80 years old
Old Mancunian, lebanese, british humanist association, Atiyah-Singer index theorem, Order of Merit, Alumni of Trinity College, Cambridge…topologist
Sir Michael Francis Atiyah, OM, FRS (b. April 22, 1929) is a British-Lebanese mathematician, widely considered one of the greatest geometers of the...
Allen Hatcher

Allen Hatcher

male
Stanford University, Kiyoshi Igusa, Hans Samelson, Allen Edward Hatcher, Erdős number 3, topologist
Allen Edward Hatcher is an American topologist and also a noted author. His book "Algebraic Topology" is oft-praised and the first part of a...
Oswald Veblen

Oswald Veblen

male, deceased (1960)
Norwegian-American, University of Iowa alumni, from Iowa, Geometer, American, theory of relativity…topologist
Oswald Veblen (24 June 1880 in Decorah, Iowa - 10 August, 1960) was an American mathematician, geometer and topologist, whose work found...