PHOTO ACKNOWLEDGEMENTS

The author and publishers wish to express their thanks to the below sources of illustrative material and/or permission to reproduce it. Some locations of artworks are also given below.

Photographs by the author: pp. 21, 33, 39, 46, 62, 63, 65, 68, 71, 76, 77, 100, 103, 106, 129, 143, 144, 154, 165, 190, 191; © Sebastian Ballard: pp. 19, 31; © Getty Images: pp. 158, 159; © Museum Associates/LACMA: pp. 42, 66, 151, 173; Library of Congress, Prints and Photographs Division: p. 131; Musée du Louvre, Paris: p. 12; © MET: pp. 38, 40, 55, 176; courtesy of the Geographical Journal: p. 83; courtesy of Sotheby’s, London: p. 16; NYPL: pp. 139, 179.

Marie-Lan Nguyen, the copyright holder of the image on p. 43, has published these online under conditions imposed by a Creative Commons Attribution 2.5 Generic License; WolfgangW, the copyright holder of the image on p. 87, has published these online under conditions imposed by a Creative Commons Attribution 2.5-Share-Alike license; Mike Peel, the copyright holder of the image on p. 47, has published these online under conditions imposed by a Creative Commons - Share Alike 4.0 Unported license; Ggia, the copyright holder of the image on pp. 98–9, has published these online under conditions imposed by a Creative Commons License 3.0 Share-Alike; Ekrem Canli, the copyright holder of the image on p. 136, has published these online under conditions imposed by a Creative Commons 3.0 Share-Alike Unported License; F Couin, the copyright holder of the image on p. 182, has published these online under conditions imposed by a Creative Commons – Share Alike 4.0 International license.

Readers are free:

• to share – to copy, distribute and transmit these images alone

• to remix – to adapt these images alone

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attribution – readers must attribute any image in the manner specified by the author or licensor (but not in any way that suggests that these parties endorse them or their use of the work).