| GROTHKOPF STUDIO |
| | Name and vital stats |
| |
|
GROTHKOPF STUDIO |
NULL |
| | Studio personnel |
| |
|
BRADY, BILL unconfirmed |
NULL |
| |
|
GROTHKOPF, CHARLES (head) 1940s |
> 40s |
| |
|
GUNN, DON (a) c1942-44 |
> 42 43 44 |
| |
|
JAFFEE, AL (a) c1942 |
> 42 |
| |
|
KOTZKY, ALEX (a) c1941-42 |
> 41 42 |
| |
|
ULMER, ALLEN (a) 1947 unconfirmed |
> 47 |