Question:  Were Ted Post and Maya Deren both in the film industry?
Sentence (from "Maya Deren"): Maya Deren (April 29, 1917 – October 13, 1961), born Eleanora Derenkowskaia (Russian: Элеоно́ра Деренко́вская ), was a Russian-American filmmaker and one of the most important American experimental filmmakers and entrepreneurial promoters of the avant-garde in the 1940s and 1950s.
Relevant evidence: Yes