GROTHKOPF STUDIO
 Name and vital stats
  GROTHKOPF STUDIO
 Studio personnel
  BRADY, BILL unconfirmed
  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