Affiliations Courses Research 1960Professor Of BotanyUniversity Of California1973[position unknown]University Of California1931Student AssistantJohns Hopkins University1932Graduate StudentJohns Hopkins University1933[position unknown]Johns Hopkins University 1973Experimental Marine Botany 1973Special Lecturer 1931[subject unknown]Independent1932[subject unknown]Independent1933[subject unknown]Independent1960[subject unknown]Independent
