Affiliations Courses Research 1958Assistant Professor Of ZoologyPurdue University1959Professor Of ZoologyPurdue University1960Professor Of ZoologyPurdue University1961Professor Of ZoologyPurdue University1962Professor Of ZoologyPurdue University1963Professor Of ZoologyPurdue University1959Professor Of ZoologyDepartment Of Biological Sciences Purdue University1960Professor Of ZoologyDepartment Of Biological Sciences Purdue University 1959Zoology 1959Instructor1960Zoology 1960Instructor1961Zoology 1961Instructor1962Zoology 1962Instructor1963Zoology 1963Instructor 1958[subject unknown]Independent1959[subject unknown]Independent1960[subject unknown]Independent1961[subject unknown]Independent1962[subject unknown]Independent1963[subject unknown]Independent