Mark Shapiro, DMD, Ph.D, formerly of PA, passed away on September 20, 2022 at his home in CA after a brief illness at the age of 87. Beloved husband of Alice (Berger) for 56 years, sister of Sheila (Dr. Robert) Kessler, brother of Joel E. (z”l), father of Jeffrey (Lara) Shapiro, Michael (Melissa) Shapiro. Loving grandfather of Mara Shapiro, Leah Shapiro and Ariel Schreiman. Mark was a proud graduate of Central HS class of 198, Temple University and Temple Dental School. After dental school he enlisted in the Air Force as a Captain serving 1958 to 1960. Several years later after obtaining a fellowship to Drexel University he received a Ph.D in Biomedical Engineering. Family and extended family were always very important to him. Mark served as President of Ohev Shalom of Bucks County 1986-1988 and always took pride in the Jewish religion. He loved cruising with Alice taking 37 cruises together. After working many years in toxicology research Mark retired at 75. He had many hobbies and was never bored. He was looked up to by many who knew him as he had a wealth of knowledge on almost any topic. His family and friends admired his wisdom and humility. Mark was a good friend to many people and will forever be missed. Donations to the National Kidney Foundation at www.kidney.org will be appreciated.