Henry Otto Pollak (born December 13, 1927) is an Austrian-American mathematician.
Born in Vienna, Austria, Pollack moved to United States.
While at Yale, he participated in the William Lowell Putnam Mathematical Competition and was on the team representing Yale University (along with Murray Gell-Mann and Murray Gerstenhaber) that won the second prize in 1947.
and Ph.D. (1951) degree in mathematics from Harvard University, the latter on the thesis Some Estimates for Extremal Distance advised by Lars Ahlfors.
Pollak then joined Bell Labs (1951), where he in the early 1960s became director of the Mathematics and Statistics Research Center.