The most "mentioned" movies according to google search by director's suggested by Ramiro Garcia-Olanoloading nav links
code at github

Akira Kurosawa
Alfred Hitchcock
Andrei Tarkovsky
Billy Wilder
Buster Keaton
Carl Theodore Dreyer
Charlie Chaplin
Elia Kazan
Emilio Fernandez
Federico Fellini
François Truffaut
Frank Capra
Fritz Lang
George Cukor
Glauber Rocha
Ingmar Bergman
Jean Renoir
John Ford
Juan Antonio Bardem
Kenji Mizoguchi
King Vidor
Leopoldo Torre Nilsson
Luchino Visconti
Luis Buñuel
Luis García Berlanga
Marco Ferreri
Michelangelo Antonioni
Nelson Pereira Dos Santos
Nicholas Ray
Orson Wells
Ousmane Sembene
Pier Paolo Pasolini
Rainer Werner Fassbinder
Sergei Eisenstein
Sergio Leone
Stanley Kubrick
Werner Herzog
Yasujiro Ozu