| Born | 18 May, 1916 | Lyck, East Prussia |
| Died | 30 Sep, 1978 |
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Ranks
Decorations |
Patrol info
| U-boat | Departure | Arrival | |||||
| 1. | U-138 | 20 Apr, 1941 | Kiel | 24 Apr, 1941 | Bergen | 5 days | |
| 2. | U-138 | 12 May, 1941 | Bergen | 27 May, 1941 | Lorient | Patrol, | 16 days |
| 3. | U-138 | 12 Jun, 1941 | Lorient | 18 Jun, 1941 | Sunk | Patrol, | 7 days |
| 2 patrols, 23 days at sea | |||||||
Ships hit by Franz Gramitzky
| Date | Boat | Name of ship | Tons | Nat. | Convoy | Fate * | |
| 20 May, 1941 | U-138 | Javanese Prince | 8.593 |  | br | ||
| 8.593 | |||||||
* Unless otherwise noted the ships listed here were sunk. | |||||||
Decorations and ranks information is in many cases not complete. If you can help on any of those missing that would be great.