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 | |||||
|---|---|---|---|---|---|---|---|
| 03-08 | 6 |  UCI World Championship Reims (CM) | |||||
| Tour de France (2.HC) | |||||||
| 15 |  Standings | ||||||
| 20-07 | 3 | Stage 21Caen - Paris (257.0km) | |||||
| 09-07 | 2 | Stage 12Marseille - Montpellier (165.0km) | |||||