The American zoologist Alfred C. Kinsey (1894-1956) was known chiefly for his pioneering case studies in the area of human sexual behavior.

Alfred C. Kinsey was born in Hoboken, New Jersey, the son of an engineering professor, on June 23, 1894. He received his doctorate in 1920 from Harvard University, where he had been awarded the Sheldon travelling fellowship. He held teaching appointments in both botany and zoology at Harvard before becoming assistant professor of zoology at Indiana University. By 1929 he was made a full professor there.

Kinsey won his early reputation as an entomologist with research on the life of the gall wasp. Studying minutely 28 factors on a large proportion of the more than four million specimens he examined, Kinsey provided research which added much to knowledge of genetics and evolution. He might now be famed only among biologists had he not in the 1930s joined 11 other teachers in giving...