Affiliations Courses Research 1930FellowCollege Of City Of New York1931FellowCollege Of City Of New York1933[position unknown]College Of City Of New York1934Tutor Of BiologyCollege Of City Of New York1932GraduateColumbia University 1930Protozoology 1930Student 1931[subject unknown]Beginners1932[subject unknown]Independent1933[subject unknown]Independent1934[subject unknown]Independent
