Pablo Picasso is the influential artist known for his contributions to Cubism, a groundbreaking art movement he co-founded in the early 20th century. Picasso's unique approach to form and perspective challenged traditional artistic conventions, allowing him to portray subjects from multiple angles simultaneously. His work spans various styles and mediums, including painting, sculpture, and ceramics, with remarkable pieces such as "Les Demoiselles d'Avignon" and "Guernica." Picasso's innovative techniques and distinct visual language transformed the art world, making him one of the most significant artists of the modern era, and his influence continues to resonate in contemporary art.