Question: This organization, formed in 1918, boasted Arthur C. Clarke as one of its members.
Sentence (from "Glide Path"): Clarke's only non-science fiction novel, it is set during World War II, and tells a fictionalized version of the development of the radar-based ground-controlled approach (called "ground-controlled descent" in the novel) aircraft landing system, and includes a character modeled on Luis Alvarez, who developed this system.
Relevant evidence: No