John Steinbeck allowing Steinbeck to spend a full day on the set of "The Grapes of Wrath" and the next day on the set of "Of Mice and Men." In the 1930s and 1940s, Ed Ricketts strongly influenced Steinbeck's writing. Steinbeck frequently took small trips with Ricketts along the California coast to give himself time off from his writing and to collect biological specimens, which Ricketts sold for a living. Their joint book about a collecting expedition to the Gulf of California in 1940, which was part travelogue and part natural history, published just as the U.S. entered World War II, never
John Steinbeck was published. According to his third wife, Elaine, he considered it his "magnum opus", his greatest novel. In 1952, John Steinbeck appeared as the on-screen narrator of 20th Century Fox's film, "O. Henry's Full House". Although Steinbeck later admitted he was uncomfortable before the camera, he provided interesting introductions to several filmed adaptations of short stories by the legendary writer O. Henry. About the same time, Steinbeck recorded readings of several of his short stories for Columbia Records; the recordings provide a record of Steinbeck's deep, resonant voice. Following the success of "Viva Zapata!", Steinbeck collaborated with Kazan on "East