What German doctor was also friends with Schack Carl Rantzau?
Schack Carl Rantzau Schack Carl, "rigsgreve" (von) Rantzau or Carl Schack Rantzau-Ascheberg (11 March 1717, Ascheberg estate, Holstein – 21 January 1789, Menerbes, France) was a Holstein-born Danish officer and statesman. He is notable for his friendship with Johann Friedrich Struensee and his role in the coup which led to Struensee's fall from power.
Christian Heinrich Pfaff Christian Heinrich Pfaff [or Christoph Heinrich Pfaff] (2 March 1773, Stuttgart – 24 April 1852, Kiel, Holstein) was a German physician, chemist and physicist.