Affiliations Courses Research 1927Lecturer In ZoologyBarnard College1928LecturerBarnard College1921Laboratory Assistant In ZoologyWellesley College1929Instructor In ZoologyWellesley College1931Instructor In ZoologyWellesley College1923[position unknown]Columbia University1925[position unknown]Columbia University 1921Protozoology 1921Student 1923Zoology[role unknown]1925Zoology[role unknown]1927[subject unknown][role unknown]1928[subject unknown][role unknown]1929[subject unknown][role unknown]1931[subject unknown]Independent