Gerhard Thomsen (23 June 1899 – 4 January 1934) was a German mathematician, probably best known for his work in various branches of geometry.
After he worked shortly as an assistant at the Karlsruhe Institute of Technology before returning to Hamburg in a similar capacity in the spring of 1925.
While working on his habilitation thesis Thomsen spend one year in Rome on Rockefeller grant to study with Levi-Civita.
He received his habilitation in Hamburg in 1928 and started a position as a tenured professor at the University of Rostock in the fall of 1929.
[1][2] On 11 November 1933 Thomsen gave an inflammatory talk entitled "Über die Gefahr der Zurückdrängung der exakten Naturwissenschaften an Schulen und Hochschulen" (On the danger of marginalizing the exact sciences in schools and universities),[3] that received a large amount of publicity in academic circles.