from 1957 to 1963, he worked also as an assistant professor of biology at dickinson college, acting as chairman of the biology department from 1959 to 1960. in 1963 he moved to wilkes college (currently wilkes university) as an associate professor of biology, becoming full professor in 1981 and an emeritus professor in 1986. during his tenure, he developed basic research in the development of tapeworm hexacanth embryos. from 1980 on he also started to work on the biology of land planarians.