Jan F. Esser Jan F. Esser Johannes "Jan" Fredericus Samuel Esser (13 October 1877 in Leiden – 9 August 1946 in Chicago) was a Dutch plastic surgeon who pioneered innovative methods of reconstructive surgery on soldiers wounded in the First World War. He is thought to have coined the term "stent" in 1917 to describe his use of a dental impression compound invented in 1856 by the English dentist Charles Stent (1807–1885) to create a form for facial reconstruction. The term "stent" was later extended to mean a device to expand constricted tubes of body tissue. He was a one time Dutch Chess
Charles Bingham Penrose Charles Bingham Penrose Charles Bingham Penrose (February 1, 1862 – February 28, 1925) was an American gynecologist who invented the surgical drain known as the Penrose drain. Born in Philadelphia, Penrose was the son of a medical school professor and his brothers included Pennsylvania state senator Boies Penrose and geologist Spencer Penrose. The grandson of prominent politician Charles B. Penrose, he married into the wealthy Drexel family of the same city. Penrose was an early advocate for the use of drainage tubes in abdominal surgery. After he contracted tuberculosis in 1891, Penrose left Pennsylvania for Wyoming, hoping that the change