Gerhard Richter Abstract Painting 1984 Oil on canvas

Gerhard Richter. Abstract Painting. 1984. Oil on canvas. 17" × 23 -5/8". © the artist. [Fig. 7 -1]

Lita Albuquerque. Wind Painting 01. 08. 12, 1: 10: 44 pm PST. 2012. Pigment on canvas. 72" × 114". Courtesy of the artist and Craig Krull Gallery, Santa Monica, California. [Fig. 7 -2]

John Singer Sargent. Rio de Santa Maria Formosa, Venice. 1905. Watercolor over graphite and pen and ink on wove paper. 13 -13/16" × 19 -3/8". Gift of Mrs. Murray S. Danforth 42. 223. Museum of Art, Rhode Island School of Design, Providence. Photography by Erik Gould. [Fig. 7 -3]

Zhang Daqian. Hidden Valley, After Guo Xi. 1962. Ink and color on paper. 76 -1/4" × 40 -1/8". Arthur M. Sackler Gallery, Smithsonian Institution, Washington D. C. : Gift of the Arthur M. Sackler Foundation, S 1999. 119. [Fig. 7 -4]

Diego Rivera. Detroit Industry (detail). 1932– 1933. Fresco. Detroit Institute of Arts, USA/The Bridgeman Art Library © 2013 Banco de México Diego Rivera Frida Kahlo Museums Trust, Mexico, D. F. /Artists Rights Society (ARS), New York. [Fig. 7 -5]

Diego Rivera. Detroit Industry. 1932– 1933. Fresco. Detroit Institute of Arts, USA/The Bridgeman Art Library © 2013 Banco de México Diego Rivera Frida Kahlo Museums Trust, Mexico, D. F. /Artists Rights Society (ARS), New York. [Fig. 7 -6]

Diego Rivera. Archive Photos/Getty Images. [Fig. 7 -7]

Diego Rivera. Man at the Crossroads. 1934. Fresco. 16' × 37' 6". Museo del Palacio Nacional de Bellas Artes, Mexico City. Banco de Mexico Trust. © 2013 Photo Art Resource/Bob Schalkwijk/Scala, Florence © 2013 Banco de México Diego Rivera Frida Kahlo Museums Trust, Mexico, D. F. /Artists Rights Society (ARS), New York. [Fig. 7 -8]

Portrait of a Boy. c. 100– 150 CE. Encaustic on wood. 15" × 7 -1/2". Metropolitan Museum of Art. Gift of Edward S. Harkness, 1918. Acc. n. : 18. 9. 2. © 2013. Image copyright The Mo. MA/Art Resource/Scala, Florence. [Fig. 7 -9]

Sandro Botticelli. The Story of Nastagio degli Onesti (I). 1483. Tempera on panel. 32 -1/2" × 54 -1/2". Museo Nacional del Prado/Oronoz. [Fig. 7 -10]

Jan van Eyck. Madonna and child with the Chancellor Rolin. c. 1433– 1434. Oil and tempera on panel. 26" × 24 -3/8". Louvre Museum, Paris. Photograph: akg-images/Erich Lessing. [Fig. 7 -11]

Tom Wudl. Rembrandt's Indulgence was Van Gogh's Dilemma. 1991. Oil on canvas. 4" × 3". © the artist. [Fig. 7 -12]

Joan Mitchell. Untitled. 1987. Oil on canvas. Diptych. 102 -3/8" × 157 -1/2". Private collection. © Estate of Joan Mitchell. Image courtesy of the Joan Mitchell Foundation and Cheim & Read Gallery, New York. [Fig. 7 -13]

Anne Truitt. Return. 2004. Acrylic on wood. 81" × 8". Private Collection/annetruitt. org/The Bridgeman Art Library. [Fig. 7 -14]

Keltie Ferris. ++++****)))). 2012. Oil, acrylic, and pastel on canvas. 80" × 100". Mitchell-Innes & Nash. [Fig. 7 -12]

Jeremy Blake. Sodium Fox. 2005. Still from digital animation. 14 -minute continuous loop. Courtesy Kinz + Tillou Fine Art. [Fig. 7 -16]