 In the early 1960s, Heyward relocated to Los Angeles and worked various executive positions at 20th Century Fox, MCA, and Four Star.His production experience at Fox and MCA and his proven penchant for comedy was noticed by James H. Nicholson of American International Pictures who asked Heyward if he was interested in writing a comedy for the studio.Heyward's first credit for AIP was "Pajama Party" (1964), one of many Beach Party films made by the company.