I have no reason - just felt like it:
#1 Alfred Hitchcock
#2 Charlie Chaplin
#3 Fritz Lang
#4 Woody Allen
#5 Sam Peckinpah
#6 Derek Jarman
#7 Krzyzstof Kieslowski
#8 Roger Corman
#9 Billy Wilder
#10 Dario Argento
#11 Akira Kurosawa
#12 Francis Ford Coppola
#13 David Lynch
#14 Werner Herzog
#15 Martin Scorsese
#16 John Cassavates
#17 Stanley Kubrick
#18 Francois Truffaut
#19 Bernardo Bertolucci
#20 Orson Welles
My saultes to all mentioned - quality flicks from every end
#1 Alfred Hitchcock
#2 Charlie Chaplin
#3 Fritz Lang
#4 Woody Allen
#5 Sam Peckinpah
#6 Derek Jarman
#7 Krzyzstof Kieslowski
#8 Roger Corman
#9 Billy Wilder
#10 Dario Argento
#11 Akira Kurosawa
#12 Francis Ford Coppola
#13 David Lynch
#14 Werner Herzog
#15 Martin Scorsese
#16 John Cassavates
#17 Stanley Kubrick
#18 Francois Truffaut
#19 Bernardo Bertolucci
#20 Orson Welles
My saultes to all mentioned - quality flicks from every end