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 includes "Rocinante", the camper-truck in which Steinbeck made the cross-country trip described in "Travels with Charley". His father's cottage on Eleventh Street in Pacific Grove, where Steinbeck wrote some of his earliest books, also survives. In Monterey, Ed Ricketts' laboratory survives (though it is not yet open to the public) and at the corner which Steinbeck describes in "Cannery Row", also the store which once belonged to Lee Chong, and the adjacent vacant lot frequented by the hobos of Cannery Row. The site of the "Hovden Sardine Cannery" next to Doc's laboratory is now occupied by the Monterey Bay Aquarium.