Are Hans Weingartner and Mario Bava both directors?
Hans Weingartner: Hans Weingartner (born 2 November 1977) is an Austrian author, director and producer of films. Mario Bava: Mario Bava (31 July 1914 – 27 April 1980) was an Italian director, screenwriter, special effects artist, and cinematographer from the "golden age" of Italian horror films.
yes