Affiliations Courses Research 1928Assistant In ZoologyBarnard College1929Assistant In ZoologyBarnard College Columbia University1930Assistant In ZoologyBarnard College Columbia University1923AssistantUniversity Of Rochester1931Instructor In BiologyUniversity Of Rochester1932Assistant Professor Of BiologyUniversity Of Rochester1935Assistant Professor Of ZoologyUniversity Of Rochester 1923Zoology 1923Student1928Protozoology 1928Student 1929[subject unknown][role unknown]1930[subject unknown][role unknown]1931[subject unknown]Independent1932[subject unknown]Independent1935[subject unknown]Independent