Charlie Chaplin filmmaking methods, claiming such a thing would be tantamount to a magician spoiling his own illusion. Little was known about his working process throughout his lifetime, but research from film historians – particularly the findings of Kevin Brownlow and David Gill that were presented in the three-part documentary "Unknown Chaplin" (1983) – has since revealed his unique working method. Until he began making spoken dialogue films with "The Great Dictator", Chaplin never shot from a completed script. Many of his early films began with only a vague premise – for example "Charlie enters a health spa" or "Charlie works in
Charlie Chaplin to have little interest in a Chaplin film without Chaplin, and it was a box office disappointment. The filmmaker was hurt by this failure – he had long wanted to produce a dramatic film and was proud of the result – and soon withdrew "A Woman of Paris" from circulation. Chaplin returned to comedy for his next project. Setting his standards high, he told himself "This next film must be an epic! The Greatest!" Inspired by a photograph of the 1898 Klondike Gold Rush, and later the story of the Donner Party of 1846–47, he made what Geoffrey Macnab calls