Ib Jørgen Melchior was a Danish-American novelist, short-story writer, film producer, film director, and screenwriter of low-budget American science fiction movies, most of them released by American International Pictures.

Death Race 2000 is a 1975 American science fiction action film produced by Roger Corman, directed by Paul Bartel, and starring David Carradine. The film takes place in a dystopian American society in the year 2000, where the murderous Transcontinental Road Race has become a form of national entertainment. The screenplay is based on the 1956 short story "The Racer" by Ib Melchior.