Pablo Picasso was a famous Spanish painter who lived from 1881-1973. He helped develop Cubism and created many famous paintings, including "The Young Women from Avignon" and "Guernica." Picasso painted "Guernica" in 1937 to depict the horrors of the bombing of a Basque village by German and Italian forces during the Spanish Civil War. Throughout his career, Picasso often painted doves as a symbol of peace and expressed interest in promoting peace in the world through his artwork.