Affiliations Courses Research 1923Graduate StudentDartmouth College1924Graduate StudentDartmouth College1925Graduate StudentColumbia University1926Graduate StudentColumbia University1931Instructor In BiologyWashington Square College New York University 1923Zoology 1923Student1924Protozoology 1924Student 1925Zoology[role unknown]1926Zoology[role unknown]1931[subject unknown]Independent
