1970s: Zoology classes are reorganized into two categories: “skin out” and “skin in,” officially called Organismal and Environmental Biology, and Cell and Molecular Biology.
1970s: Zoologist Milton Hildebrand teaches the first courses in human sexuality. Enrollment quickly balloons from 700 students the first year to 1,700 per year.
1970: Founding of the Division of Biological Sciences, with six departments: Zoology, Botany, Bacteriology, Animal Physiology, Genetics and Biochemistry and Biophysics.
1972: Ecologist Art Shapiro holds his first annual beer-for-a-butterfly contest, with a pitcher of beer going to the contestant who finds the first cabbage white butterfly of the new year – a tradition that continues today.
1979: The Division becomes administratively independent, and Donald McLean takes the reins as the first dean of biological sciences.