W.J.V. (Winthrop John Van Leuven) Osterhout papers

D. H. Lehmer [?].
D. H. Lehmer [?].
Signature on back is hard to read, subject uncertain.
G. H. Parker, formal portrait.
G. H. Parker, formal portrait.
Photograph is in a fold-out case.
G. H. Parker, in laboratory.
G. H. Parker, in laboratory.
Hand written note on back of photograph: "George Howard Parker, Professor of zoology at Harvard. He was A.B., M. A., Ph.D. from Harvard and never had a job elsewhere. He was very popular and highly admired. Note how simple his laboratory was, yet he became famous."