Reproductions must be accompanied by copyright information and cannot be altered, superimposed, or cropped.

Alexander Calder (1898–1976), Red Disc, White Dots on Black, 1960, painted sheet metal, metal rods and steel wire, 88.9 x 101 x 99 cm. Solomon R. Guggenheim Foundation, Hannelore B. and Rudolph B. Schulhof Collection, bequest of Hannelore B. Schulhof, 2012. 2012.32 © 2020 Calder Foundation, New York / Artists Rights Society (ARS), New York / SIAE, Rome. Calder® is a registered trademark of Calder Foundation, New York

Eduardo Chillida (1924–2002), Stele for Millares (Estela a Millares), 1972, steel, 155 x 150 x 125 cm. Solomon R. Guggenheim Foundation, Hannelore B. and Rudolph B. Schulhof Collection, bequest of Hannelore B. Schulhof, 2012. 2012.39 © Eduardo Chillida, by SIAE 2020

Willem de Kooning (1904–1997), Nude Figure – Woman on the Beach, 1963, oil on paper, mounted on canvas, 81.3 x 67.3 cm. Solomon R. Guggenheim Foundation, Hannelore B. and Rudolph B. Schulhof Collection, bequest of Hannelore B. Schulhof, 2012. 2012.44 © 2020 The Willem de Kooning Foundation, by SIAE

Jean Dubuffet (1901–1985), Staircase VII (Escalier VII), April 27, 1967, vinyl on canvas, 149.5 x 132.1 cm. Solomon R. Guggenheim Foundation, Hannelore B. and Rudolph B. Schulhof Collection, bequest of Hannelore B. Schulhof, 2012. 2012.48 © Jean Dubuffet, by SIAE 2020

Lucio Fontana (1899–1968), Concetto Spaziale, 1957, oil, sand and glitter on canvas, 115.6 x 88.9 cm. Solomon R. Guggenheim Foundation, Hannelore B. and Rudolph B. Schulhof Collection, bequest of Hannelore B. Schulhof, 2012. 2012.55 © Fondazione Lucio Fontana, Milano, by SIAE 2020

Sam Francis (1923–1994), Untitled, ca. 1958, watercolor on paper, mounted on canvas, 76.2 x 56.5 cm. Solomon R. Guggenheim Foundation, Hannelore B. and Rudolph B. Schulhof Collection, bequest of Hannelore B. Schulhof, 2012. 2012.57 © Sam Francis Foundation, California, by SIAE 2020

Ellsworth Kelly (1923–2015), 42nd, 1958, oil on canvas, 153.7 x 203.2 cm. Solomon R. Guggenheim Foundation, Hannelore B. and Rudolph B. Schulhof Collection, bequest of Hannelore B. Schulhof, 2012. 2012.68 © Ellsworth Kelly, by SIAE 2020

Mark Rothko (1903–1970), Untitled (Red), 1968, acrylic on paper, mounted on canvas, 83.8 x 65.4 cm. Solomon R. Guggenheim Foundation, Hannelore B. and Rudolph B. Schulhof Collection, bequest of Hannelore B. Schulhof, 2012. 2012.92 © 1998 Kate Rothko Prizel & Christopher Rothko / ARS, New York, by SIAE 2020

Cy Twombly (1928–2011), Untitled, 1967, oil based house paint and wax crayon on canvas, 127 x 170.2 cm. Solomon R. Guggenheim Foundation, Hannelore B. and Rudolph B. Schulhof Collection, bequest of Hannelore B. Schulhof, 2012. 2012.97 © Cy Twombly Archive

Andy Warhol (1928–1987), Flowers, 1964, acrylic and silkscreen ink on canvas, 61 x 61 cm. Solomon R. Guggenheim Foundation, Hannelore B. and Rudolph B. Schulhof Collection, bequest of Hannelore B. Schulhof, 2012. 2012.100 © The Andy Warhol Foundation for the Visual Arts Inc., by SIAE 2020

Frank Stella (1936), Gray Scramble, 1968–69, oil and pencil on canvas, 175.3 x 175.3 cm. Solomon R. Guggenheim Foundation, Hannelore B. and Rudolph B. Schulhof Collection, bequest of Hannelore B. Schulhof, 2012. 2012.101 © Frank Stella, by SIAE 2020

Sol LeWitt (1928–2007), Incomplete Open Cube 6/8, 1974, painted aluminum, 106.7 x 106.7 x 106.7 cm. Solomon R. Guggenheim Foundation, Hannelore B. and Rudolph B. Schulhof Collection, bequest of Hannelore B. Schulhof, 2012. 2012.76 © Sol LeWitt, by SIAE 2020