Motion Picture Magazine — Men Behind the Stars (1936 to 1938) 🇺🇸
1936-04 — W. S. Van Dyke
1936-05 — Mervyn LeRoy
1936-06 — Clarence Brown
1936-07 — Mark Sandrich
1936-08 — Frank Capra
1936-09 — George Cukor
1936-10 — John Ford
1936-11 — King Vidor
1936-12 — E. H. Griffith
1937-01 — Hal Mohr
1937-02 — Mervyn LeRoy
1937-03 — Richard Boleslawski
1937-06 — Robert Z. Leonard
1937-07 — Archie Mayo
1937-08 — Richard Thorpe
1937-09 — Victor Fleming
1937-10 — Tay Garnett
1937-11 — John M. Stahl
1937-12 — William Dieterle
1938-01 — Roy Del Ruth
1938-02 — William Wyler
1938-03 — Wesley Ruggles
1938-04 — Gregory La Cava
1938-06 — Frank Lloyd
Source: Motion Picture Magazine
Photoplay Magazine ran a similar series, The Star Creators of Hollywood, with longer and more detail-rich articles, in 1936.