"Johann Christian Stark (13 January 1753 – 11 January 1811) was a German physician and obstetrician born in Oßmannstedt. His nephew, also named Johann Christian Stark (1769–1837), was a noted obstetrician.
He earned his doctorate in 1777 from the University of Jena, where in 1779 he became an associate professor. At Jena he was director of a health institute and subdirector of maternity hospital services.
Known as an outstanding clinical teacher, one of his better-known students was Adam Elias von Siebold (1775–1828). He was a physician to the Weimar Ducal Court, in particular Anna Amalia and Carl August of Saxe-Weimar-Eisenach. He was also the doctor of Johann Wolfgang von Goethe and Friedrich Schiller." - (en.wikipedia.org 29.01.2020)