Who was known as the "Chairman of the Board"?

Frank Sinatra

Name the psychological thriller directed by Christopher Nolan starring Leonardo DiCaprio set within multiple dreams? Which actor plays Poe Dameron in the Star Wars sequels? Which fruit is known to be radioactive in small amounts? Rapa Nui refers to which Pacific island? Who ruled Prussia as an enlightened monarch noted for military victories and reforms during the mid-18th century?