"1931-07-30Z"^^ . . "Brian Horace Clemens OBE (30 July 1931 \u2013 10 January 2015) was an English screenwriter and television producer, possibly best known for his work on The Avengers and The Professionals. Clemens was related to Mark Twain (Samuel Langhorne Clemens), a fact reflected in the naming of his two sons, Samuel Joshua Twain Clemens and George Langhorne Clemens."@en . "English screenwriter and television producer" . "0166018" . "Brian Clemens"@en . "Brian Horace Clemens"@en . "2015-01-10Z"^^ . "1931Z"^^ . . . . . . "Clemens, Brian"@en . "2015Z"^^ . .