Joan Harrison (screenwriter) the film "Jamaica Inn" (1939) based on the novel by Daphne du Maurier. When Hitchcock moved to Hollywood in March 1939 to begin his contract with David O. Selznick to direct films, Harrison went with him as an assistant and writer. She continued contributing to the screenplays for Hitchcock's films "Rebecca" (1940), also adapted from a du Maurier novel, "Foreign Correspondent" (1940), "Suspicion" (1941), and "Saboteur" (1942). She was also credited as one of the screenwriters for "Dark Waters" (1944). Harrison was an uncredited screenwriter for "Ride the Pink Horse" (1947) and "Your Witness" (1950). She became a film producer
Amnesic shellfish poisoning a Life" (original air-date: February 2, 1992), Sharon and Gus get amnesia after eating bad shellfish, and Chris seizes the opportunity to convince them that they are his best friends. Domoic acid poisoning may have caused an August 18, 1961 invasion of thousands of frantic seabirds in Capitola and Santa Cruz, California. Director Alfred Hitchcock heard about this invasion while working on his adaptation of the Daphne du Maurier novelette "The Birds" for his feature film "The Birds" (1963), and asked the "Santa Cruz Sentinel" newspaper for any further news copy as "research for his new thriller." Amnesic shellfish poisoning