Employer of
- Lina Buffolente (b. 1924) Notes: Lina Buffolente freelanced pencil and ink work on westerns and police comics, from about 1948 to about 1950, from Italy to the studio.
Employer of
- Ezra Jack Keats (b. 1916) Notes: Keats did pencil and ink work for the studio from 1940 to probably sometime in 1941.
Jerry Bails' Who's Who inadvertently credits this studio job to Ezra Jackson. Bails also lists the years as the 1940s, but Keats October 1940 draft registration card confirms he was then employed by "Jerald Iger" and probably switched to the Beck-Costanza Shop sometime during 1941.
Employer of
- Rudy Palais (b. 1912) Notes: Did pencils and inks for the studio in a period of about nine months in circa 1941, when he also did some layouts for Reed Crandall.