Jean Luc-Godard was the spearhead of the French new wave cinema. He directed films such as breathless, Vivre-sa vie which defied the laws that set the film making precedence and introduced jump cuts. Post world war 2, USA decided to forego the WW2 debt if France opened its market for US products and regulated its own film industry. In defiance, new directors such as Varda, Godard, Rivette brought some fabulous work on the table.
Jean Luc-Godard was not the greatest but is the most prolific filmmaker of all timeShow moreShow less
There will always be great directors in the film industry. Not one can be termed greatest as only one can't tap into the human emotions which sometimes are very endemic to a particular geography.