John M. Templeton Jr., Philanthropist Devoted to Science and Religion, Dies at 75

John M. Templeton, Jr., a pediatric surgeon who left medicine behind to carry on his father’s passion for pursuing “new spiritual information” through the sciences as president and chairman of the Templeton Foundation, has died. He was 75.

Known as “Jack,” the younger Templeton retired as director of the trauma program at the Children’s Hospital of Philadelphia in 1995 to take the foundation reins and became chairman after his father’s death in 2008.