Eduard Stiefel | |
|---|---|
 Eduard Stiefel, 1955 | |
| Born | 21 April 1909 |
| Died | 25 November 1978 (aged 69) Zürich |
| Nationality | Swiss |
| Alma mater | ETH Zurich |
| Scientific career | |
| Fields | Mathematics |
| Institutions | ETH Zürich |
| Doctoral advisor | Heinz Hopf |
| Doctoral students | Corrado Böhm Fritz-Rudolf Güntsch Werner Gysin Peter Henrici Urs Kirchgraber Peter Läuchli Max Rössler Ambros Speiser Carl August Zehnder |
Eduard L. Stiefel (21 April 1909 – 25 November 1978) was a Swiss mathematician. Together with Cornelius Lanczos and Magnus Hestenes, he invented the conjugate gradient method, and gave what is now understood to be a partial construction of the Stiefel–Whitney classes of a real vector bundle, thus co-founding the study of characteristic classes.