DR. ROBERT L. STOCK: On Sunday, June 18, 2023. Beloved son of the late Aaron and Isabel Stock. Brother of Dr. Ruth Stock Zober, Dr. E. Lee Stock and the late David Stock. Also survived by nieces, nephews, great-nieces and great-nephews. Services at Ralph Schugar Chapel, Inc., 5509 Centre Avenue, Shadyside on Wednesday, June 21, 2023 at 11 AM. Visitation one hour prior to service, (10 - 11 AM). Interment Pliskover Cemetery. Contributions may be made to Pittsburgh New Music Ensemble, P.O. Box 9074, Pittsburgh, PA 15224, (pnme.org), www.schugar.com