Affiliations Courses Research 1943Instructor In ZoologyFordham University1917Graduate StudentUniversity Of Pennsylvania1936InstructorUniversity Of Pennsylvania1937InstructorUniversity Of Pennsylvania1938Instructor In ZoologyUniversity Of Pennsylvania1939Instructor In ZoologyUniversity Of Pennsylvania1940Instructor In ZoologyUniversity Of Pennsylvania 1917Botany 1917Student1936Embryology 1936Student 1937[subject unknown]Independent1938[subject unknown]Independent1939[subject unknown]Independent1939[subject unknown]Independent1940[subject unknown]Independent1943[subject unknown]Independent