Ralph Ince and Mitchell Leisen were both American what?
Mitchell Leisen Mitchell Leisen (October 6, 1898 – October 28, 1972) was an American director, art director, and costume designer.
Heber Blankenhorn Heber Blankenhorn (March 26, 1884 – January 1, 1956) was a 20th-Century American journalist and union activist who served on the National Labor Relations Board and recognized decades later by the U.S. Army as both Distinguished Member of the PSYOP Regiment (DMOR) and original "Silver Knight" for his service during both world wars in the "Psychological Operations Regiment."