Thornton Niven Wilder was an American playwright and novelist. He won three Pulitzer Prizes, for the novel The Bridge of San Luis Rey and for the plays Our Town and The Skin of Our Teeth, and a U.S. National Book Award for the novel The Eighth Day. No. 1 on The New York Times Fiction best seller list for 4 weeks, from the issue of January 21, 1935. Wiki link