James Waddell Alexander II

James Waddell Alexander II
At a topological conference in Moscow, 1935
Born	(1888-09-19)September 19, 1888 Sea Bright, New Jersey
Died	September 23, 1971(1971-09-23) (aged 83) Princeton, New Jersey
Alma mater	Princeton University
Known for	Algebraic topology
Awards	Bôcher Memorial Prize (1928)
Scientific career
Fields	Topology
Thesis	Functions Which Map the Interior of the Unit Circle Upon Simple Regions (1915)
Doctoral advisor	Oswald Veblen

James Waddell Alexander II (September 19, 1888 – September 23, 1971) was a mathematician and topologist of the pre-World War II era and part of an influential Princeton topology elite, which included Oswald Veblen, Solomon Lefschetz, and others. He was one of the first members of the Institute for Advanced Study (1933–1951), and also a professor at Princeton University (1920–1951).