Daniel Mainwaring (February 27, 1902 - 31 January 1977) was a successful novelist/screenwriter. The Oakland-born screenwriter began first as a journalist for the San Francisco Chronicle before writing for films. Mainwaring began his film career as a publicist which lead to him becoming a screenwriter. He often wrote under the name of Geoffrey Homes. Under that pen-name, he wrote the novel Build My Gallows High which was made into the film noir classic Out of the Past. Under his own name, Mainwaring penned the first film version of Invasion of the Body Snatchers (1956). The San Francisco Chronicle, the self-described Voice of the West, is Northern Californias largest newspaper. ... This still from The Big Combo (1955) demonstrates the visual style of film noir at its most extreme. ... This article is about the 1947 film; there was also a 1998 documentary of the same name. ... Promotional poster for the 1956 version of the film Invasion of the Body Snatchers is a 1956 science fiction film that tells the story of ordinary small town people whose bodies are taken over by aliens. ...