"Prestwich, John Alfred"@en . . "John Alfred Prestwich"@en . . . . . . "He worked with S.Z. de Ferranti and later the cinema pioneer William Friese-Greene. He was awarded the Edward Longstreth Medal by the Franklin Institute in 1919."@en . . . . . . "1874"^^ . . . . "1952"^^ . "He worked with S.Z. de Ferranti and later the cinema pioneer William Friese-Greene. He was awarded the Edward Longstreth Medal by the Franklin Institute in 1919."@en .