John “Bob” R. Zack, 71, of Coplay, died Aug. 18, 2020, in the inpatient hospice unit at Lehigh Valley Hospital, Allentown. He was the husband of Susan M. (Mondschein) Zack for 30 years.

Born in Allentown, he was a son of the late John P. and Helen M. (Buritsch) Zack.

He was in the U.S. Navy during the Vietnam War era.

He was a supervisor at Diamond Dye and Finish (HAB Industries), Allentown, for the last 38 years.

In addition to his wife, he is survived by two daughters, Jeanette M. Morales and her husband Juan of Allentown and Janelle M. Schulze and her husband Brandon of Orefield; and four siblings, William B. Zack and his wife Karliene of Jim Thorpe, Cynthia L. Zack of Jim Thorpe, Deborah A. Michael and her husband Larry of Allentown and Christina M. Zack and her son John Paul Zack of Bloomfield, N.J.

Contributions may be made to American Cancer Society Pancreatic Research, c/o the funeral home, P.O. Box 196, Schnecksville, 18078-0196.

Arrangements were made by Heintzelman Funeral Home Inc., Schnecksville.