Figures in its early history were critic and artist Lucy Lippard, artist Sol LeWitt, and Carl Andre among others.
Later on, due to his tight association with Gallery Konrad Fischer, Düsseldorf, he got in contact with artists and colleagues like Carl Andre, Richard Long, Sol LeWitt y Royden Rabinovich.
Carl Sagan | Carl Jung | André Previn | Carl Orff | Carl Maria von Weber | Carl Lewis | Carl Zeiss AG | André Breton | Carl Linnaeus | Carl Sandburg | Carl XVI Gustaf of Sweden | Andre Agassi | Carl Levin | Carl Zeiss | Carl Michael Bellman | Carl Friedrich Gauss | André Malraux | Carl Froch | Carl Perkins | André Derain | Carl von Clausewitz | Carl Reiner | Carl Hancock Rux | Carl Gustaf Emil Mannerheim | Carl Edwards | Carl Cox | Carl Bildt | Carl Barks | Victor André Cornil | Carl Wilson |