Chang: A Drama of the Wilderness (1927) is a silent film about a poor farmer in Nan Province (Northern Thailand) and his daily struggle for survival in the jungle, the film was directed by Merian C. Cooper and Ernest B. Schoedsack.
 It was released by Famous Players-Lasky, a division of Paramount Pictures.
Trouble in Morocco is a 1937 film directed by Ernest B. Schoedsack.
Ernest Beaumont Schoedsack (June 8, 1893 – December 23, 1979) was an American motion picture cinematographer, producer, and director.
 He worked on several films with Merian C. Cooper including "King Kong" and "."
Blind Adventure is a 1933 American Pre-Code film directed by Ernest B. Schoedsack released by RKO Radio Pictures.
Frank Scheffer (born 1956 in Venlo) is a Dutch cinematographer and producer of documentary film, mostly known for his work "Conducting Mahler" (1996) on the 1995 Mahler Festival in Amsterdam with Claudio Abbado, Riccardo Chailly, Riccardo Muti and Simon Rattle.
The Monkey's Paw is a 1933 American Pre-Code horror film directed by Ernest B. Schoedsack, based on the story, "The Monkey's Paw" (1902) by W.W. Jacobs.
 The film was considered lost until pictures from it were posted online in 2016.
Dr. Cyclops is a 1940 American Technicolor science fiction horror film from Paramount Pictures, produced by Dale Van Every and Merian C. Cooper, directed by Ernest B. Schoedsack, and starring Thomas Coley, Victor Kilian, Janice Logan, Charles Halton, Frank Yaconelli, and Albert Dekker.
The Last Days of Pompeii (1935) is an RKO Radio Pictures film starring Preston Foster and directed by Ernest B. Schoedsack and Merian C. Cooper, creators of the original "King Kong".
 Although inspired by the novel of the same name by Edward Bulwer-Lytton, the film has virtually nothing to do with the book.
Rango is a 1931 American quasi-documentary film directed by Ernest B. Schoedsack and released by Paramount Pictures.
Outlaws of the Orient is a 1937 film directed by Ernest B. Schoedsack.

Question: Are Ernest B. Schoedsack and Frank Scheffer both cinematographers ?
Answer: yes