| Born | 17 Jun, 1917 | Siegen, Westphalia |
| Died | Aug, 1989 |
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Ranks
Decorations |
U-boat Commands
| U-293 | 8 Sep, 1943 | - | 11 May, 1945 | 5 patrols (111 days) |
| U-1007 | 3 Jul, 1944 | - | 7 Jul, 1944 | No war patrols |
Patrol info
| U-boat | Departure | Arrival | |||||
| 1. | U-293 | 29 Apr, 1944 | Kiel | 1 May, 1944 | Arendal | 3 days | |
| 2. | U-293 | 19 May, 1944 | Arendal | 20 May, 1944 | Bergen | 2 days | |
| 3. | U-1007 | 3 Jul, 1944 | Marviken | 5 Jul, 1944 | Bergen | 3 days | |
| 4. | U-1007 | 5 Jul, 1944 | Bergen | 6 Jul, 1944 | Stavanger | 2 days | |
| 5. | U-1007 | 7 Jul, 1944 | Stavanger | 7 Jul, 1944 | Kristiansand | 1 days | |
| 6. | U-293 | 1 Aug, 1944 | Bergen | 10 Aug, 1944 | Stavanger | 10 days | |
| 7. | U-293 | 9 Sep, 1944 | Stavanger | 14 Sep, 1944 | Trondheim | 6 days | |
| 8. | U-293 | 16 Sep, 1944 | Trondheim | 22 Sep, 1944 | Narvik | Patrol, | 7 days |
| 9. | U-293 | 25 Sep, 1944 | Narvik | 4 Oct, 1944 | Hammerfest | Patrol, | 10 days |
| 10. | U-293 | 14 Oct, 1944 | Hammerfest | 6 Nov, 1944 | Narvik | Patrol, | 24 days |
| 11. | U-293 | 21 Nov, 1944 | Narvik | 19 Dec, 1944 | Narvik | Patrol, | 29 days |
| 12. | U-293 | 1 Apr, 1945 | Narvik | 11 May, 1945 | Loch Eriboll, UK | Patrol, | 41 days |
| 5 patrols, 111 days at sea | |||||||
Ships hit by Leonhard Klingspor
| Date | Boat | Name of ship | Tons | Nat. | Convoy | Fate * | |
| 20 Jan, 1945 | U-293 | Razjarennyj | 1.658 |  | sj | KP-1 | damaged |
| 1.658 | |||||||
* 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.