Does Bill Duke or Robert J. Flaherty have more credits for documentary films?
Robert J. Flaherty Robert Joseph Flaherty, FRGS ( ; February 16, 1884 – July 23, 1951) was an American filmmaker who directed and produced the first commercially successful feature-length documentary film, "Nanook of the North" (1922). The film made his reputation and nothing in his later life fully equaled its success, although he continued the development of this new genre of narrative documentary, e.g. with "Moana" (1926), set in the South Seas, and "Man of Aran" (1934), filmed in Ireland's Aran Islands. He is considered the "father" of both the documentary and the ethnographic film.
Patrick Montgomery Patrick Montgomery is an American documentary producer/director and film and photo archivist. He has specialized in making films using archival materials, most notably "The Man You Loved to Hate" (1979) about the legendary actor/director Erich Von Stroheim and "The Compleat Beatles" (1982) a two-hour documentary about the rise and fall of the world's most famous rock group. He also founded and ran Archive Films/Archive Photos, the largest independent commercial film and photo archive in the U.S. until its acquisition by The Image Bank, a division of Eastman Kodak, in 1997.