David Duncan (February 17, 1913 – December 26, 1999) was an American screenwriter and novelist. (Via Wikipedia)
The Leech WomanFilm • 1960
Monster on the CampusFilm • 1958
The Thing That Couldn't DieFilm • 1958
The Black ScorpionFilm • 1957
The Monster That Challenged the WorldFilm • 1957