Exhibition catalogue published in conjunction with show organized in cooperation with the Howard Wise Gallery, New York, held at Walker Art Center, April 8 - May 21, 1967. Traveled to Milwaukee Art Center, June 24 - July 30, 1967. Essay by Willoughby Sharp. Artists in exhibition: Stephen Antonakos, Ben Berns, Davide Boriani, Martha Boto, Howard Brandston, Jackie Cassen, Rudi Stern, Chryssa, John Goodyear, John Healey, Richard Hogle, John Hoppe, Howard Jones, Roger Katan, Gilles Larrain, Julio Le Parc, Josef Levi, Heinz Mack, Frank Malina, Preston McClanahan, Boyd Mefferd, Edward Meneeley, Victor Millonzi, Peter Myer, Bruno Munari, Gerald Oster, Nam June Paik, Abraham Palatnik, Otto Piene, Kurt Pinke, Leo Rabkin, Martial Raysse, W. Christian Sidenius, Earl Reiback, James Stafford, Thomas Tadlock, Takis, Günther Uecker, USCO, John van Saun, Gegorio Vardanega, Thomas wilfred, Paul Williams, Donald Zurlo.