Both Joss Whedon and Norman Mailer were Americans.
Joseph Hill Whedon ( ; born June 23, 1964) is an American screenwriter, director, producer, comic book writer, and composer. 
Norman Kingsley Mailer (January 31, 1923  November 10, 2007) was an American novelist, journalist, essayist, playwright, film-maker, actor, and political activist. 
