Leopold Horner | |
|---|---|
 Leopold Horner | |
| Born | 24 August 1911 |
| Died | 5 October 2005 (aged 94) |
| Nationality | German |
| Alma mater | University of Munich |
| Known for | Horner-Wadsworth-Emmons reaction |
| Awards | Liebig Medal (1973) Cothenius Medal (2001) |
| Scientific career | |
| Institutions | University of Munich, University of Mainz |
| Doctoral advisor | Heinrich Wieland |
Leopold Horner (24 August 1911 – 5 October 2005) was a German chemist who published a modified Wittig reaction using phosphonate-stabilized carbanions now called the Horner–Wadsworth–Emmons reaction (HWE reaction) or Horner-Wittig reaction.