Ettlinger, H. J. (Hyman Joseph), 1889-

Hyman Joseph Ettlinger was born September 1, l889 in St. Louis, Missouri, and was educated at Washington University (Bachelor's degree, 1910) and Harvard University (Master's, 1911; Ph.D., 1920). He joined the faculty of the University of Texas at Austin in 1913, retiring in 1968. He was especially noted for his teaching. Ettlinger's research was in differential equations and the calculus of variations. He was associated with the UT Defense Research Laboratory, where he worked on aerodynamics. He was chairman of the Department of Pure Mathematics for about 25 years. He died in Austin on June 8, 1986.

From the guide to the H. J. Ettlinger Photographs 2003-134., 1963, (Archives of American Mathematics, Center for American History, The University of Texas at Austin)

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