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 | |||||
|---|---|---|---|---|---|---|---|
| 20-08 | DNF |  UCI World Championship Moorslede (CM) | |||||
 Tour de France (GT) | |||||||
| 18 |  Standings | ||||||
| 07-08 | Stage 22Dijon - Paris (314.0km) | ||||||
| 01-08 | 3 | Stage 17Nice - Gap (229.0km) | |||||
| 29-07 | 1 | Stage 15Toulon - Menton (205.0km) | |||||
| 23-07 | 3 | Stage 10Bordeaux - Pau (202.0km) | |||||
| 02-07 | 3 | Dauphiné Libéré (2.1) | |||||