Affiliations Courses 1936Instructor In BiologyEmory University1955Professor Of ZoologyUniversity Of Minnesota1956Professor Of ZoologyUniversity Of Minnesota1957Professor Of ZoologyUniversity Of Minnesota1958Professor Of ZoologyUniversity Of Minnesota1959Professor Of ZoologyUniversity Of Minnesota1960Professor Of ZoologyUniversity Of Minnesota1961Professor Of ZoologyUniversity Of Minnesota 1936Zoology 1936Student1955Embryology 1955Instructor1956Embryology 1956Instructor1957Embryology 1957Instructor1958Embryology 1958Instructor1959Embryology 1959Instructor1960Embryology 1960Instructor1961Embryology 1961Instructor