| Born | 18 May, 1907 | Rhein |
| Died | 26 Jan, 1964 |
|
Ranks
Decorations |
U-boat Commands
| U-27 | 5 Oct, 1937 | - | 5 Jun, 1939 | No war patrols |
| U-27 | 8 Jul, 1939 | - | 20 Sep, 1939 | 1 patrol (29 days) |
Patrol info
| U-boat | Departure | Arrival | |||||
| 1. | U-27 | 23 Aug, 1939 | Wilhelmshaven | 20 Sep, 1939 | Sunk | Patrol, | 29 days |
Ships hit by Johannes Franz
| Date | Boat | Name of ship | Tons | Nat. | Convoy | Fate * | |
| 13 Sep, 1939 | U-27 | Davara | 291 |  | br | ||
| 16 Sep, 1939 | U-27 | Rudyard Kipling | 333 | | br | ||
| 624 | |||||||
* Unless otherwise noted the ships listed here were sunk. | |||||||
 Ende der Französischen Flotte im Zweiten Weltkrieg, Das Kowark, Hannsjörg Buy this title at amazon.de |
Books dealing with this subject include: Das Ende der Französischen Flotte im Zweiten Weltkrieg, Kowark, Hannsjörg, 1998 Mit dem Einhorn gegen Engelland, Fröwis, Franz J., 1999 |
Decorations and ranks information is in many cases not complete. If you can help on any of those missing that would be great.