Info
| Last name | Diederich |
| First name | Jean |
| Nationality |  Luxembourg |
| Date of birth | 20-02-1922 |
| Place of birth | Esch-sur-Alzette |
| Passed away | 06-12-2012 |
| Age when passed away | 90 |
| Place of passing | Petange |
| Date | Rank | Race | |||||
|---|---|---|---|---|---|---|---|
| 21-08 | 7 |  UCI World Championship København (CM) | |||||
 Tour de France (GT) | |||||||
| 15 |  Standings | ||||||
| 24-07 | Stage 21Nancy - Paris (340.0km) | ||||||
| 22-07 | 3 | Stage 19Lausanne - Colmar (283.0km) | |||||
| 15-05 | 8 |  Tour du Romandie
(2.1) | |||||