Carl was a resident of Chatsworth, Calif., at the time of his death May 7, 2013.

Carl was born in Sharon Hill, Pa., and spent part of his early life in Lansdowne, Pa. Before Princeton, he attended Lansdowne High School, Swarthmore Preparatory, and Penn Charter School.

At Princeton, Carl planned to major in physics, but changed to mathematics his senior year. He was a member of the Pistol and Court clubs. He served as class chair as an alumnus. After his retirement, Carl volunteered as a docent and tutor.

He is survived by his wife of many years, Ruth Wilkening. He had four children, a son and three daughters. The class sends its deepest condolences to his family.

Undergraduate Class of 1936