alexander calder is largely credited with creating the “mobile,” a suspended, kinetic sculpture in the early 1930’s. while other artists were also experimenting with moving art (notably man ray’s “obstruction” constructed from wooden coat hangers in 1920 or aleksandr rodchenko’s “oval hanging construction no.12” also from 1920), calder explored and experimented with the art form for decades, creating some of his most recognized works. his mobiles were so dubbed by friend and fellow artist, marcel duchamp, when he was visiting calder’s studio in 1931, “mobile” being a french pun meaning both movement and motive.