Andy Warhol signed Marilyn Monroe printA limited edition print of Andy Warhol's iconic portrait of Marilyn Monroe Personally signed by Warhol at an exhibition in 1981 Andy Warhol was one of the most important artists of the 20th century. As one of the founding members of the Pop Art movement, he was a central figure in a scene which including film making, music, fashion and design Warhol is known for his iconic artworks featuring celebrities and famous mass produced products and brands.