Jean Cocteau Lithography & Prints selection from L’Atelier 55. French poet, graphic designer, illustrator, sculptor, playwright and filmmaker, Jean Cocteau is one of the most important artists of the 20th century. He has worked with most of the artists who marked the artistic life of his time and inspired many of them through his ability as a trendsetter. As a multi-talented artist, Jean Cocteau claimed that all his work was poetry.