Spencer Ritzen, 72, of Quakertown, died Sat. Jan. 16th at Lehigh Valley Hospital - Cedar Crest, Allentown. He was the husband of Desiree (Balum) Ritzen for 45 years. Born in Philadelphia, he was a son of the late Rubin and Mary Ritzen. He was an assistant vice president in charge of computer systems and programming for Fidelity Investments, Philadelphia. Surviving with his wife is his son, Shepard, wife Stacey of Philadelphia; brothers, Herbert Ritzen, wife Jean and Mitchell Ritzen, wife Shelley; sisters, Zelda Tuoni, Lois Biehl, husband Joe, and Debbie Klymowich, husband Tommy. He was predeceased by a sister, Jacqueline Izenberg. Services are private. Memorial contributions can be made to the Diabetic Youth Foundation, 5167 Clayton Rd., Suite F, Concord, CA 94521 or at dyf.org.