Clarify museum roster and Dan Gross research sources
Expand exact roster rank codes (class_rank: 1st Lt -> First Lieutenant)
 
Line 5: Line 5:
|first=Ludwig
|first=Ludwig
|class_section=5C (25); 6C (26)
|class_section=5C (25); 6C (26)
|class_rank=1st Lt
|class_rank=First Lieutenant
|birth_year=1916
|birth_year=1916
|death_year=1980
|death_year=1980