Otto Piene
Otto Piene (1928–2014) was born in Bad Laasphe, Germany, and lived and worked in Dusseldorf, Germany, and Groton, Massachusetts. He studied painting and art education at the Academy of Art in Munich and the Kunstakademie Dusseldorf, and philosophy at the University of Cologne. His works have been shown in numerous international exhibitions and retrospectives and are held in nearly 200 museum and public collections around the world.