What Columbia University professor proved the Earle-Hamilton fixed-point theorem with Clifford Earle in 1968?
Richard S. Hamilton Richard Streit Hamilton (born 1943) is Davies Professor of Mathematics at Columbia University.
Howard G. Funkhouser Howard Gray Funkhouser (April 14, 1898 – Dec. 1984) was an American mathematician, historian and Associate Professor of Mathematics at the Washington and Lee University and later at the Phillips Exeter Academy, particularly known for his early work on the history of graphical methods,