​From Wikipedia, the free encyclopedia.   Antonio Margheriti (19 September 1930 – 4 November 2002), also known under the pseudonym Anthony M. Dawson, was a prolific Italian filmmaker. He was born in Rome and died in 2002 from a heart attack in Monterosi, Viterbo, near Rome at the age of 72. Margheriti started out in the Italian film industry in 1956 as a screenwriter. He started directing in 1960, his first film being "Spacemen" (aka "Assignment Outer Space"). Margheriti is known for his scien...