Henry Heimlich Henry Heimlich Henry Judah Heimlich (; February 3, 1920 – December 17, 2016) was an American thoracic surgeon and medical researcher. He is widely credited as the inventor of the Heimlich maneuver, a technique of abdominal thrusts for stopping choking, described in "Emergency Medicine" in 1974. He also invented the Micro Trach portable oxygen system for ambulatory patients and the Heimlich Chest Drain Valve, or "flutter valve", which drains blood and air out of the chest cavity. Heimlich was born in Wilmington, Delaware, the son of Mary (Epstein) and Philip Heimlich. His paternal grandparents were Hungarian-Jewish immigrants, and his maternal
Dr. Jay Loeffler Dr. Jay Loeffler Dr. Jay Steven Loeffler (born December 27, 1955) is an American physician at Massachusetts General Hospital where he serves as Chair of the Department of Radiation Oncology since 2000. He is the Herman and Joan Suit Professor of Radiation Oncology and Professor of Neurosurgery at Harvard Medical School. Born in Carlisle, Pennsylvania, Loeffler attended The Hill School in Pottstown, Williams College and the Alpert Medical School at Brown University. After medical school, he trained at the former Harvard Joint Center for Radiation Therapy in Boston serving as Chief Resident. He worked in the Laboratory of Radiobiology under