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.
Hinrich Lichtenstein Martin Hinrich Carl Lichtenstein (10 January 1780 – 2 September 1857) was a German physician, explorer, botanist and zoologist.