Henry James Clark (1826–73)

Zoologist. Student and assistant of Louis Agassiz. Assistant curator, Museum of Comparative Anatomy, Harvard, from 1859. Assistant professor of zoology, Lawrence Scientific School, Harvard, 1860–5. Professor of botany, zoology, and geology, Pennsylvania State University, 1866–9. Professor of natural history, University of Kentucky, 1869–72. Professor of veterinary science, University of Massachusetts, from 1872.