Irvin Richard Schmoyer, Ph.D., 78, of Emmaus, died Feb. 5, 2020, at Lehigh Valley Hospital, Salisbury Township. He was the husband of Jean C. (Yockey) Schmoyer for the past 55 1/2 years.

He earned his master’s and doctorate from Purdue University and received his Bachelor of Science degree from Muhlenberg College. He was in the last graduating class of Allentown High School in 1959. He was a professor of biology, having taught at Purdue University, the University of Pittsburgh, SUNY-Fredonia and for more than 29 years at Muhlenberg College.

He is survived by his wife; daughter, Janine and her husband, Richard Clarke; brother, Ronald; grandson, Michael. He was predeceased by sons, Todd M. and Richard I.

Contributions may be made to Muhlenberg College in his name.

Services will be held 10:30 a.m. Feb. 13 at the Bachman, Kulik & Reinsmith Funeral Homes, 17th & Hamilton streets, Allentown. A viewing will be held 9:30 to 10:30 a.m. Feb. 13 in the funeral home.