Question: Who is the spouse of the director of film The Mysterious Mrs. M?
Sentence (from "Lois Weber"): Where Are My Children?", which discussed abortion and birth control and was added to the National Film Registry in 1993; her adaptation of Edgar Rice Burrough's "Tarzan of the Apes" novel for the very first "Tarzan of the Apes" film, in 1918; and what is often considered her masterpiece, "The Blot", in 1921.
Relevant evidence: No