# Otto Haupt

**Otto Haupt** (born 5 March 1887 in Würzburg; died 10 November 1988 in Bad Soden) was a German Mathematician.

## Biography

Haupt obtained his PhD in 1911 under the supervision of Georg Rost and Emil Hilb at the University of Würzburg,[1] and became a professor at the University of Erlangen-Nuremberg. He retired from teaching in 1953, but continued his mathematical research for many subsequent years.[2]

Since 1918 he was married to Edith Hughes. Despite her Jewish ancestry, she survived the Nazi period unharmed in Erlangen, and lived to 1981.[2]

## Research and publications

Haupt specialized in geometry and real analysis; many of his research publications related to the four-vertex theorem on local minima and maxima of curvature. He also wrote textbooks on algebra and calculus.[2]

## Awards and honors

In 1987, his centenary year, a birthday conference was given in his honor at the University of Erlangen.[2][3]

He was awarded honorary doctorates from the University of Bonn, the University of Nantes and the University of Würzburg.[2][3][4]

## References

Wikimedia Commons has media related to .Otto Haupt |

- Otto Haupt at the Mathematics Genealogy Project
- Jacobs, Konrad (1987), "Otto Haupt: Centenarian mathematician",
*The Mathematical Intelligencer*,**9**(4): 50–51, doi:10.1007/BF03023732. - Bauer, Heinz (1987), "Otto Haupt — Zum 100. Geburtstag",
*Aequationes Mathematicae*(in German),**32**(1): 1–5, doi:10.1007/BF02311293. - Jahrbuch der Bayerischen Akademie der Wissenschaften, 1988, p. 236: "Haupt war Ehrendoktor der Universitäten Bonn, Würzburg und Nantes".