Edvard Munch such as the appearance of Munch's "The Scream" in a 2006 M&M's advertising campaign. The U.S. copyright representative for the Munch Museum and the Estate of Edvard Munch is the Artists Rights Society. Munch's art was highly personalized and he did little teaching. His "private" symbolism was far more personal than that of other Symbolist painters such as Gustave Moreau and James Ensor. Munch was still highly influential, particularly with the German Expressionists, who followed his philosophy, "I do not believe in the art which is not the compulsive result of Man's urge to open his heart." Many of his
Sigurd Willoch director of the National Gallery of Norway from 1946 to 1973. He wrote considerably about Norwegian art and artists dating from the 19th century, including works about artists Olaf Isaachsen, Edvard Munch, Hugo Lous Mohr (1889–1970), August Cappelen (1827–1852) and Thomas Fearnley (1802–1842). He also produced works which focused on the Art Society in Oslo and the National Gallery of Norway. He served on the National Gallery Board 1952-76, was a member and sometimes chairman of the Norwegian unit of Scandinavian Museum Association 1946-71, Norwegian member of the Comité International d'Histoire de l'Art (CIHA) from 1958 to 1973 and represented