Which author left Princeton without a degree in 1917 and eight years later published "The Great Gatsby"?

Edmund Halley set up an observatory in 1677 on which South Atlantic island, where Napoleon was later exiled? Elizabeth Kata's novel "Be Ready with Bells and Drums" became which 1965 Sidney Poitier movie? Emily Post's "Etiquette" says you should try to put which small tomatoes into your mouth whole? Emma Watson made her acting debut as which bookish friend of Harry Potter? Which secret society, founded in Bavaria in 1776, figures prominently in Dan Brown's "Angels & Demons"? Epaminondas of Thebes defeated which military power at Leuctra in 371 BC, sending it into decline? Eric Enno Tamm's "Beyond the Outer Shores" is about Ed Ricketts, the model for Doc in which 1945 Steinbeck novel? Established in 1881, the Wharton School at the University of Pennsylvania was the world's first collegiate school of wh…