Crew list of Ships hit by U-boats
Max A. Gruenberger
Merchant Marine. American
| Born | 1885 | Jaseno, Hungary |
Roster information listed for Max A. Gruenberger
| Ship | Type | Rank / role | Attacked on | Boat | |
|---|---|---|---|---|---|
 | Mathew Luckenbach | Steam merchant | Second Assistant Engineer | 19 Mar 1943 | U-527 |