Howard Wise Gallery — Otto Piene : Light Ballet

New York, Howard Wise Gallery, 1969. Softcover. Black & illus. stapled wraps, [16 pp.], BW illus. Issued in conjunction with a 1969 exhibition of a variety of pieces created by German-born artist Otto Piene (b. 1928). "By 'Elements' I do not only mean the classic Greek elements, fire, water, air and earth. I also mean the human elements of action, reaction, involvement, participation." (the artist). VG .