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.
Paul Luther Paul Luther (28 January 1533 – 8 March 1593) was a German physician, medical chemist, and alchemist. He was the third son of the Protestant reformer Martin Luther and was successively physician to John Frederick II, Duke of Saxony; Joachim II Hector, Elector of Brandenburg; Augustus, Elector of Saxony and his successor Christian I. He taught alchemy to Anne of Denmark.