Alvin Schwartz was born in in New York in 1916 and began writing comics in 1939. He was a prolific writer for DC Comics in the 1940s and '50s, and wrote the most of the Superman newspaper strips throughout the 1950s.
Bill Finger was born in 1914 and Denver, Colorado, and is best known as the co-creator of Batman. He also co-created Robin, the Joker, Green Lantern, and other characters in a lengthy career that began in the 1930s.