Question: Which writer served as president of the Eugenics society, Havelock Ellis or Italo Calvino?
Sentence (from "Italo Calvino"): His best known works include the "Our Ancestors" trilogy (1952–1959), the "Cosmicomics" collection of short stories (1965), and the novels "Invisible Cities" (1972) and "If on a winter's night a traveler" (1979).
Relevant evidence: Yes