Affiliations Courses Research 1953Assistant Professor Of Biological SciencesUniversity Of Delaware1956Assistant Professor Of Biological SciencesUniversity Of Delaware1950[position unknown]Northwestern University1951[position unknown]Northwestern University1952[position unknown]Northwestern University1948Graduate AssistantUniversity Of Miami1949[position unknown]University Of Miami 1950Zoology 1950Laboratory Assistant1951Zoology 1951Laboratory Assistant1952Zoology 1952Laboratory Assistant 1948[subject unknown]Research Assistant1949[subject unknown]Research Assistants1950[subject unknown]Research Assistants1951[subject unknown]Research Assistants1953[subject unknown]Beginners1956[subject unknown]Independent