All artists

Andy Warhol

Tom Wesselmann

David Hockney

Robert Indiana

Roy Lichtenstein

Alex Katz

Edward & Nancy Kienholz

Mel Ramos

Max Mustermann

Robert Rauschenberg

Gerhard Richter

James Rosenquist

George Segal

Christo und Jeanne-Claude

Jim Dine

Willi Siber