Johnson, Nunnally (Personal Name)

Author's There ought to be a law, 1931.

The man in the gray flannel suit, c1997: credits (screenplay written by and directed by Nunnally Johnson)

Internet movie database, Feb. 12, 2001 (Nunnally Johnson, b. Dec. 5, 1897 in Columbus, Ga., d. Mar 25, 1977 in Hollywood; writer, producer, director)

Nunnally Johnson (1897-1977) was an American screenwriter, film producer, and director.