Affiliations Courses Research 1928InstructorWashington Square College1923Assistant In ZoologyColumbia University1920[position unknown]Mississippi College1922Instructor In ZoologyMississippi College1931Professor Of BiologySouthwestern1932Professor Of BiologySouthwestern 1920Protozoology 1920Student1921Botany 1921Student 1922Zoology[role unknown]1923Zoology[role unknown]1928[subject unknown][role unknown]1931[subject unknown]Independent1932[subject unknown]Independent
