Stephen P. Dretler ’60

Stephen P. Dretler ’60, of Natick, Mass.; Jan. 9, of Parkinson’s disease. He was a professor at Harvard Medical School and a pioneer in the field of urology at Massachusetts General Hospital, where he practiced for more than 40 years. During his long and distinguished medical career he changed the way kidney stone disease was treated. He was an innovator in the use of lithotripsy and lasers to treat disease in less invasive ways and a lifelong inventor who collaborated with engineers to develop groundbreaking medical instruments that are in use today worldwide. He was a veteran of the U.S. Air Force. He enjoyed spending time at his seasonal home on Martha’s Vineyard, reading, antiquities, jogging and playing golf. He is survived by three sons and daughters-in-law, eight grandchildren, a sister and brother-in-law, a brother and sister-in-law, nieces, and nephews.