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Larry Ewing was born in Valley, Nebraska. He received his B.S. in 1958 from the University of Nebraska School of Agriculture, his M.S. in 1960 and his Ph.D. in 1962, both from the University of Illinois where he studied reproductive physiology. From 1962 to 1972, he taught in the department of physiology and pharmacology at the College of Arts and Sciences and Veterinary Medicine at Oklahoma State University, where he collaborated with Claude Desjardins on the effects of steriod feedback on spermatogenesis. Ewing took a sabbatical in 1965 for postdoctoral training with Kristen Eik-Nes in steroid biochemistry at the University of Utah and again in 1968 to study under H.G. Williams-Ashman in the department of pharmacology and experimental therapeutics at the Johns Hopkins University School of Medicine. In 1972, Ewing became professor and head of the division of reproductive biology in the department of population dynamics at the Johns Hopkins University School of Hygiene and Public Health. While at Johns Hopkins, he conducted research on male fertility and the development of male contraceptives. Ewing was also a charter member and president of the Society for the Study of Reproduction and was editor of its journal, Biology of Reproduction.

Scope and Content

The Larry Ewing Collection spans his entire career at Johns Hopkins. It contains professional correspondence, departmental records, grant records, scientific notes, and reprints. The collection documents Ewing’s activities as director of the division of reproductrive biology at the Johns Hopkins University School of Hygiene and Public Health.

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