Otto Blumenthal
| Ludwig Otto Blumenthal | |
|---|---|
| Left to right, standing: Michel Plancherel, Prof. Karl Goldziher (Budapest), Otto Blumenthal, sitting: Ms. Blumenthal, and an unknown woman, at the International Mathematical Congress, Zürich 1932 | |
| Born | 20 July 1876 | 
| Died | 12 November 1944 (aged 68) | 
| Alma mater | Göttingen University | 
| Known for | Editor of Mathematische Annalen, 1906-1938 | 
| Spouse | Mali Ebstein | 
| Children | Margrete (born 1911), Ernst (born 1914) | 
| Scientific career | |
| Thesis | Über die Entwicklung einer willkürlichen Funktion nach den Nennern des Kettenbruches (1898) | 
| Doctoral advisor | David Hilbert | 
| Doctoral students | Karl Gehlen | 
Ludwig Otto Blumenthal (20 July 1876 – 12 November 1944) was a German mathematician and professor at RWTH Aachen University.