Jack R. McCall, on Thursday November 2, 2023 Jack R. McCall, 86 of Pittsburgh, passed away peacefully at home. Jack was a beloved widower (Drulain “Dudy” 2018). Above all, Jack was a loving husband and proud father of Matthew J. and Michael R. McCall (LeeAnn) and grandaughters Madeleine Jane and Sarah Ann. Jack proudly served as a U.S. Marine and graduated as a Chemical Engineer from the University of Pittsburgh night school. He was an avid reader and lover of golf, movies, and music. No services will be held. Anyone wishing to make a donation may do so in his name to UPMC Family Hospice who were instrumental in providing the highest standard of care during his final days. Arrangements made by the Bock Funeral Home, Ltd.