http://en.wikipedia.org/wiki/Leonhard_Euler
Leonard Euler (1707-1783) 		http://en.wikipedia.org/wiki/Carl_Friedrich_Gauss
Carl Gauss (1777-1855) 		http://en.wikipedia.org/wiki/File:Pierre-Ossian-Bonnet.jpg Source
Pierre Bonnet (1819-1892)
Ludwig Schlaefli
Ludwig Schlaefli (1814-1895) 		http://en.wikipedia.org/wiki/Heinz_Hopf
Heinz Hopf (1894-1971) 		Henri Poincare
Henri Poincare (1854-1912)
Pavel Alexandrov
Pavel Alexandrov (1896-1982) 		Harold Coxeter
Harold Coxeter (1907-2003) 		Paul Erdoes
Paul Erdoes (1913-1996)



This page posted Jan 16, 2012