The Grapes of Wrath
1940
Nunnally Hunter Johnson (December 5, 1897 – March 25, 1977) was an American screenwriter, film director, producer and playwright. As a filmmaker, he wrote the screenplays to more than fifty films in a career that spanned from 1927 to 1967. He also produced more than half of the films he wrote scripts for and directed eight of those movies. Wikipedia