People from the Province of Prussia

Carl Legien (1 December 1861 – 26 December 1920) was a German unionist, moderate Social Democratic politician and first President of the International Federation of Trade Unions.

Hans Horst Meyer (17 March 1853 – 6 October 1939) was a German pharmacologist. He studied medicine and did research in pharmacology. The Meyer-Overton hypothesis on the mode of action on general anaesthetics is partially named after him. He also discovered the importance of glucuronic acid as a reaction partner for drugs, and the mode of action of tetanus toxin on the body.