Pablo Picasso Trotskyist and anti-Stalinist André Breton was more blunt; refusing to shake hands with Picasso, he told him: "I don't approve of your joining the Communist Party nor with the stand you have taken concerning the purges of the intellectuals after the Liberation". Picasso was against the intervention of the United Nations and the United States in the Korean War and he depicted it in "Massacre in Korea". The art critic Kirsten Hoving Keen says that it is "inspired by reports of American atrocities" and considers it one of Picasso's communist works. In 1962, he received the Lenin Peace Prize. Biographer
Guernica (Picasso) of preliminary studies, the so-called primary project, that show an atelier installation incorporating the central triangular shape which reappears in the final version of "Guernica", Becht-Jördens and Wehmeier interpret the painting as a self-referential composition in the tradition of atelier paintings such as "Las Meninas" by Diego Velázquez. In his "chef d'oeuvre", Picasso seems to be trying to define his role and his power as an artist in the face of political power and violence. But far from being a mere political painting, "Guernica" should be seen as Picasso's comment on what art can actually contribute towards the self-assertion that