The director of Back to the Future directed another movie in 1994 which was based on a book. Who was the author of the book?
Forrest Gump: Forrest Gump is a 1994 American comedy-drama film based on the 1986 novel of the same name by Winston Groom. Robert Zemeckis:  In the 1990s he diversified into more dramatic fare, including 1994's "Forrest Gump", for which he won an Academy Award for Best Director.
i don't know