Paul Mahlo

Friedrich Paul Mahlo ( born July 28, 1883 in Coswig (Anhalt ); † August 20, 1971 in Halle ( Saale) ) was a German mathematician.

Mahlo attended high school in Dessau and studied from 1902 at the University of Jena, the University of Greifswald, Göttingen University, the Ludwig- Maximilians- University of Munich and the University of Halle, where he received his doctorate in 1908 with Felix Bernstein ( Topological studies on decomposition into plane and spherical polygons). In 1910 he passed the teacher exam and was then trainee teacher and then a high school teacher in Bochum, Recklinghausen and Mansfeld at Luther Pädagogium (from 1929). In 1933 he was removed from office.

Mahlo is known for his contributions to set theory. In 1911, he led after him named a large cardinal.