| GROTHKOPF STUDIO |
| | Name and vital stats |
| | | GROTHKOPF STUDIO | NULL |
| | Studio personnel |
| | | BRADY, BILL unconfirmed | NULL |
| | | GROTHKOPF, CHARLES (head/) 1940s | > 40 41 42 43 44 45 46 47 48 49 |
| | | GUNN, DON (pen/ink/) c1942-44 | > 42 43 44 |
| | | JAFFEE, AL (pen/ink/) c1942 | > 42 |
| | | KOTZKY, ALEX (pen/ink/) c1941-42 | > 41 42 |
| | | ULMER, ALLEN (pen/ink/) 1947 unconfirmed | > 47 |