Emil Witschi (1890-1971),Swiss-American reproductive biologist. After studying and teaching in Switzerland Witschi spent a year travelling in USA,studying and working in various research institutions. In 1927 Witschi took up a permanent position a Iowa University as Professor of Zoology. He is best known for his work on sexual differentiation in embryos. In 1955 he published the textbook 'The Development of Vertebrates' | |
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