Daniel Kahnweiler

Based upon the theme of Faust, with the characters portrayed serving as representatives of the crises of their time. A triple portrait of three important figures in the art world: British artist David Hockney, Argentine surrealist painter Leonor Fini, and German-French art dealer Daniel-Henry Kahnweiler.

The Challenge... A Tribute to Modern Art is a 1974 American documentary film directed by Herbert Kline. The film shows footage of great modern artists in their studios creating and commenting on their work, with narration and commentary by Orson Welles. It was nominated for an Academy Award for Best Documentary Feature.