Allen Hatcher

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Allen Hatcher
Allen Hatcher at Berkeley in 1980
Born	Allen Edward Hatcher (1944-10-23) October 23, 1944 (age 79) Indianapolis, Indiana, United States
Nationality	American
Alma mater	Oberlin College Stanford University
Scientific career
Fields	Mathematics
Institutions	Princeton University University of California, Los Angeles Cornell University
Thesis	A K2 Obstruction for Pseudo-Isotopies  (1971)
Doctoral advisor	Hans Samelson
Doctoral students	Kiyoshi Igusa Rachel Roberts

Allen Edward Hatcher (born October 23, 1944) is an American topologist.