Inventor and designer of engines. Born Kensington. He worked with Sebastian de Ferranti and the cinema pioneer William Friese-Greene to produce cameras, mutoscopes, cutting and perforation machines and projectors. He designed his first motorcycle engine in 1901, made the first overhead-valve V-twin in 1906 and patented a desmodromic valve in 1923. Died Wood Green.
His birth date from Clan Barker differs from that on the plaque.
Credit for this entry to: Alan Patient of www.plaquesoflondon.co.uk