Crew list of Ships hit by U-boats
Frank Thorsen
Merchant Navy. Norwegian
| Born | 26 Apr 1916 | Larvik, Vestfold | |
| Died | 12 Mar 1942 | (25) |
Roster information listed for Frank Thorsen
| Ship | Type | Rank / role | Attacked on | Boat | |
|---|---|---|---|---|---|
 | Ranella | Steam tanker | Cook | 12 Jun 1941 | U-553 (1) |
| Ingerto | Steam merchant | Cook | 12 Mar 1942 (+) | U-578 (1) |