After and Before: Works in Exhibition

Carl Michael Andre, Aluminum-Copper Alloy Square, 1969, Aluminum and copper, Courtesy of Collection of Refco Group, Ltd.

Daniel Buren, Watch the Doors Please: A Work in Motion, Film, 10 minutes, Courtesy of collection of Anne Rorimer.

Hanne Darboven, Stundenbuch, 1991, 85 photographs, Courtesy of Leo Castelli Gallery, New York.

Julia Fish, Tar Ice, 1987, Oil on canvas, Courtesy of Private Collection.

Gunther Forg, Barcellona Pavillion, 1988, Unique color photograph, Courtesy of Collection of Mr. and Mrs. Thomas Heagy.

Gaylen Gerber, Untitled, Oil on canvas, Courtesy of the artist.

Gaylen Gerber, Untitled, Silkscreen on canvas, Courtesy of the artist.

Felix Gonzalez-Torres, Untitled (Bloodwork-Steady Decline), 1993, 13 drawings, gouache and pencil on paper, Courtesy of the artist and Andrea Rosen Gallery, New York.

On Kawara, from “TODAY” Series (1966-), Feb. 10, 1987, Liquitex on canvas, Courtesy of the artist.

Ellsworth Kelly, Black Panel Prototype, 1982, Paint on aluminum, Courtesy of Gemini G. E. L., Los Angeles.

Ellsworth Kelly, Red Orange Panel Prototype, 1982, Paint on aluminum, Courtesy of Gemini G. E. L., Los Angeles.

Ellsworth Kelly, Light Green Panel Prototype, 1982, Paint on aluminum, Courtesy of Gemini G. E. L., Los Angeles.

Jeff Koons, New Hoover Quadraflex, New Hoover Convertible, New Hoover Dimension 900, New Hoover Dimensions 1000, 1981, One new Hoover Quadraflex, New Hoover Convertible, one new Hoover Dimension 900, one new Hoover Dimensions 1000 vacuum cleaners, plexiglass and floures, Courtesy of Collection of Lewis and Susan Manilow.

Sherrie Levine, La Fortune (after Man Ray), 1990, Mahogany, felt, billiard balls, Courtesy of Collection of Lannan Foundation, Los Angeles.

Brice Marden, Marble #1, 1981, Oil on marble, Courtesy of Collection of the artist.

Bruce Nauman, Untitled, 1968, Lead, steel, water, Courtesy of Sperone Westwater, New York.

Hirsch Perlman, EXHIBIT P: HEARING NO.1: TRANSCRIPTS 23, 14, 6, 10, 22, 13, 28, 1990, Medite, sign painting, paper, cassette tapes, Courtesy of the artist and Feature, New York.

Stephen Prina, The Top Thirteen Singles from Billboard’s Hot 100 Singles Chart for the Week Ending September 11, 1993, 1993, Enamel on aluminum, acrylic, electrical hardware, Courtesy of Margo Leavin Gallery, Los Angeles.

Gerhard Richter, 738-2 Grey Mirror, 1991, Paint on glass, Courtesy of Marian Goodman Gallery, New York.

Adrian Schiess, Flache Arbeit, 1992, Auto lacquer on metal and composite, Courtesy of Collection of Themistocles and Dare Michos, Woodside, CA.

Thomas Struth, Plant No. 19, dark hanging sunflower, Winterthur, 1992, C-print, Courtesy of Marian Goodman Gallery, New York.

Thomas Struth, Landscape No. 3, Winterthur, 1992, C-print, Courtesy of Marian Goodman Gallery, New York.

Jeff Wall, The Giant, 1992, Cibachrome transparency, flourescent light, display case, Courtesy of Marian Goodman Gallery, New York.

Andy Warhol, Empire, Film , 46 minutes (edited from the original 8 hours), Courtesy of Collection Museum of Modern Art.

Lawrence Weiner, AS LONG AS IT LASTS, 1993, Language and the materials referred to, Courtesy of Collection Public Freehold, courtesy of the artist.