He worked many other side jobs, a pattern that repeated itself throughout his life. In New Haven, he delivered telegraphs by bicycle for Western Union, worked maintenance on the New Haven Railroad, and was a busboy in the Berkeley College dining hall at Yale. When war broke out, he enlisted in the U.S. Navy, and was called up in October 1942. He trained as a pilot in Jacksonville, Fla., and Hutchinson, Kan., and flew the PB4Y-2, the "Privateer". Bill was stationed in Kearney, Calif., and left active service when the war ended. He attended Columbia University on the GI Bill and graduated in 1950. During his studies, he was a waiter at the Drake Hotel, where his favorite patrons included Cole Porter and his least favorite patrons included Frank Sinatra.