1.Andrei Tarkovski
2.Akira Kurosawa
3.Theo Angelopoulos
4.Werner Herzog
5.RW Fassbinder
6.Jean-Luc Godard
7.Fritz Lang
8.Alain Resnais
9.Frederico Fellini
10.Luis Bunuel

But several of my favourite films are by female directors. They perhaps have a harder time creating a body of work? Ideas?