[1] Stein studied the artworks of Marc Chagall, Matisse, Braque, Paul Klee, Miró, Jean Cocteau and Rouault.
In 1967, Marc Chagall notified authorities of forgeries of his work exhibited in a New York gallery, and Stein was arrested.
During his prison term, Joseph Stone, the judge who arrested him, brought him to his office to paint.
In the mid-1980s, director Gil Cates gave his agent Arthur Axelman at William Morris a copy of the book, which had been written without Stein's involvement.
According to The New York Times, in 1989, two comics experts discovered a series of fake collages in the Andy Warhol retrospective at the Museum of Modern Art.