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
Henry Freke Henry Freke Henry Freke (1813-1888) was an Irish physician and early evolutionary writer. Freke proposed an evolutionary theory in 1851 and more fully in a book for 1861. He took a B. A. at Trinity in 1840, his M. B. in 1845 and his M.D. in 1855. He worked as a physician in various hospitals in Dublin and worked at the first Irish lunatic asylum founded by Jonathan Swift. His early writings in the "Dublin Quarterly Journal of Medical Science" experimented with evolutionary ideas such as all organisms descending from a single germ. He is credited for developing the concept