About Julius J. Epstein
Julius J. Epstein was an American screenwriter, who had a long career, best remembered for his screenplay, written with his twin brother, Philip, and Howard E. Koch, of the film Casablanca (1942), for which the writers won an Academy Award. It was adapted from an unpublished play, Everybody Comes to Rick's, written by Murray Bennett and Joan Alison.
Biography source:
Wikipedia
