Acknowledgements: Ariel Meyerowitz Gallery, Bassenge Photography Auctions, Candace Dwan Gallery, Carl Mautz Vintage Photographs, CEROS - Jean-Mathieu Martini / Serge Plantureux, Cleveland Museum of Art, Creative Commons - Wikipedia, Etherton Gallery, George Eastman Museum, Google Books, Howard Greenberg Gallery, J. Paul Getty Museum, Larry Gottheim - Be-hold - Inc, Lee Gallery, Metropolitan Museum of Art, Otto Lilienthal Museum, Princeton University Art Museum, Private collection of Manuel Magalhaes, Royal Academy of Arts, Smithsonian Hirshhorn Museum and Sculpture Garden, Sotheby's - Paris, Swann Galleries - New York, The Courtauld Institute of Art, University of Pennsylvania - University Archives and Records Center, Wellcome Collection. |