Affiliations Courses Positions 1947Assistant ProfessorHarvard University1947Assistant Professor Of GeologyHarvard University1970Professor Of ZoologyDepartment Of Geology University Of California1971[position unknown]University of California, Santa Barbara 1947Embryology 1947Student1947Zoology 1947Student1970Experimental Invertebrate Zoology 1970Special Lecturer 1971Biospheric atmospheric and crustal evolution of the primitive earthFriday Evening Lecturer
