Romanian Karl Heinrich Gräffe Cited by user Gdaniel111 on 26 Mar 2023 Karl Heinrich Gräffe (n. 7 noiembrie 1799 la Braunschweig - d. 2 decembrie 1873 la Zürich) a fost un matematician german și profesor la Universitatea din Zürich.
English Karl Heinrich Gräffe Cited by user Citation bot on 20 Dec 2018 Karl Heinrich Gräffe (7 November 1799 – 2 December 1873) was a German mathematician, who was professor at University of Zurich.