Karel Appel was a Dutch painter and sculptor, born on April 25, 1921, in Amsterdam. He is best known for his role in the Cobra movement, which emphasized spontaneous and expressive art. Appel's work often features bold colors and abstract forms, reflecting his desire to convey emotions and experiences. Throughout his career, Appel created numerous paintings, sculptures, and murals, gaining international recognition. His art is characterized by a childlike quality and a sense of playfulness, often incorporating elements of surrealism and expressionism. Appel passed away on May 3, 2006, leaving a significant impact on modern art.