Affiliations Courses Research 1954Professor Of Biology, Director Of Pediatric ResearchMichael Reese Hospital1951Head Of Department Of BiologyWashington Jefferson College1957Head Of Department Of BiologyWashington Jefferson College1932Assistant Professor Of BiologyWashington And Jefferson College1935Acting Head Of BiologyWashington And Jefferson College1939Professor Of BiologyWashington And Jefferson College 1932Embryology 1932Student 1932[subject unknown]Beginners1935[subject unknown]Independent1939[subject unknown]Independent1951[subject unknown]Independent Investigators1954[subject unknown]Independent Investigators1957[subject unknown]Independent