And Then There Were None (1974 film) And Then There Were None (1974 film) And Then There Were None (a.k.a. Ten Little Indians) is a 1974 film adaptation of Agatha Christie's best-selling 1939 mystery novel of the same name. The film was directed by Peter Collinson and produced by Harry Alan Towers. This was the second of three versions of Christie's novel to be adapted to the screen by producer Harry Alan Towers. Two film adaptations were previously released (a 1945 version by René Clair and the 1965 "Ten Little Indians"). An American made-for-television version was broadcast in 1959. Towers produced a third version in 1989. A
All-or-none law All-or-none law The all-or-none law is the principle that the strength by which a nerve or muscle fibre responds to a stimulus is independent of the strength of the stimulus. If that stimulus exceeds the threshold potential, the nerve or muscle fibre will give a complete response; otherwise, there is no response. It was first established by the American physiologist Henry Pickering Bowditch in 1871 for the contraction of heart muscle. According to him, describing the relation of response to stimulus,““An induction shock produces a contraction or fails to do so according to its strength; if it does so at