The term ARTIST ARP is a reference to two influential 20th century artists, Hans Arp and JEAN Arp. Hans Arp was a German-French sculptor, painter, poet, and abstract artist who was a founding member of the Dada movement. JEAN Arp was a French-German sculptor, painter, and poet who was also a founding member of the Dada movement. Both Hans and JEAN Arp were important figures in the development of modern art.