Dario Argento (Italian: [ˈdaːrjo arˈdʒɛnto]; born 7 September 1940) is an Italian film director, screenwriter and producer. His influential work in the horror and giallo genres during the 1970s and 1980s has led him to being referred to as the "Master of the Thrill" and the "Master of Horror". His films as director include his "Animal Trilogy", consisting of The Bird with the Crystal Plumage (1970), The Cat o' Nine Tails (1971) and Four Flies on Grey Velvet (1971); his "Three Mothers" trilogy, consisting of Suspiria (1977), Inferno (1980) and The Mother of Tears (2007); and his stand-alone films Deep Red (1975), Tenebrae (1982), Phenomena (1985) and Opera (1987). He co-wrote the screenplay for Sergio Leone's Once Upon a Time in the West (1968) and served as George A. Romero's script consultant on Dawn of the Dead (1978), for which he also composed the soundtrack with his long-time collaborators Goblin. (Via Wikipedia)