Nadar, n.d., Etienne-Jules Marey, Print, Wellcome Collection, Wellcome Library, London (V0026815, Library reference no.: ICV No 27272), LL/36798

Étienne Jules Marey, 1901, 17 January, Poster for a banquet during the "Scientia" conference celebrating Etienne Jules Marey, Poster, Wellcome Collection, Wellcome Library, London (V0003855, Library reference no.: ICV No 4056), LL/36799

Étienne Jules Marey, 1882, The photographic gun [Le Fusil photographique], Engraving, Creative Commons - Wikipedia, LL/33209

Étienne Jules Marey, 2006, Gun of Marey [Fusil de Marey], Digital image, Creative Commons - Wikipedia, Copyright © 2006 David Monniaux, LL/33208

Étienne Jules Marey, 1883, 23 November, Physiological Station at Paris, Magazine illustration, Google Books, LL/36543

Étienne Jules Marey, 1883, 23 November, Rolling Photographic Chamber, Physiological Station of Paris, Magazine illustration, Google Books, LL/36544

Étienne Jules Marey, 1883, 23 November, Interior of Photographic Chamber, Physiological Station of Paris, Magazine illustration, Google Books, LL/36545

Étienne Jules Marey, 1883, 30 November, Untitled (Man walking infront of a black screen at the Physiological Station of Paris), Magazine illustration, Google Books, LL/36546

Étienne Jules Marey, 1883, 30 November, Untitled (A runner jumping a bar at the Physiological Station of Paris), Magazine illustration, Google Books, LL/36547

Étienne Jules Marey, 1883, 30 November, Untitled (A man running at the Physiological Station of Paris), Magazine illustration, Google Books, LL/36548

Étienne Jules Marey, 1883, 30 November, Untitled (A man walking at the Physiological Station of Paris), Magazine illustration, Google Books, LL/36549

Étienne Jules Marey, 1883, 30 November, Untitled (A man walking at the Physiological Station of Paris), Magazine illustration, Google Books, LL/36550

Étienne Jules Marey, 1882, A flying pelican, Photograph, Creative Commons - Wikipedia, LL/33210

Étienne Jules Marey, n.d., Chronophotograph of a Flying Heron, Gelatin silver print, 8.30 x 9.40 cm (3 1/4 x 3 11/16 ins) (image), Cleveland Museum of Art, Dudley P. Allen Fund, Accession No.: 2009.349, LL/40915

Étienne Jules Marey, 1890-1891, Chronophotographic study of Man Pole Vaulting, Albumen silver print, 2 3/4 x 4 3/16 ins, George Eastman Museum, LL/33171

Étienne Jules Marey, 1890 (ca), Untitled (motion study), Gelatin silver print, image, irregular: 19.9 x 16.2 cm (7 13/16 x 6 3/8 ins) sheet: 23.9 x 17.7 cm (9 7/16 x 6 15/16 ins), Princeton University Art Museum, Gift of Patti and Frank Kolodny, in honor of Peter C. Bunnell, Object Number: 2002-394, LL/44678

Charles Fremont (French, 1855-1930), 1894, Chronophotograph, Gelatin silver print, from glass negative, 16.3 x 20.2 cm (6 7/16 x 7 15/16 ins), Metropolitan Museum of Art, Purchase, The Horace W. Goldsmith Foundation Gift through Joyce and Robert Menschel and Rogers Fund, 1987, Accession Number: 1987.1054, LL/45179

William Vick, 1881 (taken) 1950s (print), Eadweard Muybridge, Gelatin silver print, Carl Mautz Vintage Photographs, LL/25661

Eadweard Muybridge, 1893, Eadweard Muybridge, Frontispiece, University of Pennsylvania - University Archives and Records Center, LL/36812

Eadweard Muybridge, 1893, Eadweard Muybridge, Frontispiece, University of Pennsylvania - University Archives and Records Center, LL/36813

Eadweard Muybridge, 1881, General view of Palo Alto Stock Ranch, Albumen print, 15.4 x 23 cm, Royal Academy of Arts, Photo: R.A., © Copyright protected, LL/39287

Eadweard Muybridge, 1881, The 'Experiment Track' at Palo Alto Stock Ranch, Albumen print, 13.8 x 23.2 cm, Royal Academy of Arts, Photo: R.A., © Copyright protected, LL/39283

Eadweard Muybridge, 1881, The 'Operating Room' which housed a row of cameras facing the track, Albumen print, 13.8 x 23.2 cm, Royal Academy of Arts, Photo: R.A., © Copyright protected, LL/39284

Eadweard Muybridge, 1886 (ca), Eadweard Muybridge's outdoor camera house, 36th and Pine Streets, Photographic print, University of Pennsylvania - University Archives and Records Center, Digital Image Number: UARC20020829001, LL/36819

Eadweard Muybridge, 1881, The 'Operating Track', Albumen print, 13.9 x 23.2 cm, Royal Academy of Arts, Photo: R.A., © Copyright protected, LL/39285

Eadweard Muybridge, 1881, A Photographing Camera and back of Electro-shutter, Albumen print, 13.8 x 23.3 cm, Royal Academy of Arts, Photo: R.A., © Copyright protected, LL/39286

Eadweard Muybridge, 1880s (ca), Plate 300: Foot-ball drop kick, [Animal Locomotion], Collotype, 13 x 8.75 in, Lee Gallery, Courtesy of Lee Gallery (Y1188), LL/13209

Eadweard Muybridge, 1878-1879, Running (Galloping), [The Attitude of Animals in Motion], Iron salt process print, J. Paul Getty Museum, © J. Paul Getty Trust [85.XO.362.44], LL/5976

Eadweard Muybridge, 1878, 19 June, Galloping Horse, Motion Study, Collotype, 9 3/16 x 12 ins, George Eastman Museum, LL/33168

Eadweard Muybridge, 1887, Annie G.' Walking, Saddled (Pl.580), Collotype, 7 1/2 x 15 5/16 in, Lee Gallery, Image courtesy of the Lee Gallery (www.leegallery.com), LL/3258

Eadweard Muybridge, 1887, Daisy' Cantering, Saddled (Pl.616), Collotype, 8 3/4 x 13 in, Lee Gallery, Image courtesy of the Lee Gallery (www.leegallery.com), LL/3259

Eadweard Muybridge, 1887, Horseback rider, [Animal Locomotion], Collotype, 25.5 x 31 cm (43.5 x 53.5 cm), Bassenge Photography Auctions, Auction (17 June 2009, Sale 93, Lot 4250), LL/32469

Eadweard Muybridge, 1887 (ca), Plate 349, [Animal Locomotion], Collotype, h: 16.8 x w: 7.2 in / h: 42.7 x w: 18.3 cm, Etherton Gallery, LL/22187

Eadweard Muybridge, 1887 (ca), Plate 491, [Animal Locomotion], Collotype, h: 9.4 x w: 12 in / h: 23.9 x w: 30.5 cm, Etherton Gallery, LL/22188

Eadweard Muybridge, 1884-1887, [Dancing (Fancy)], [Animal Locomotion (Philadelphia, 1887)], Collotype, 18.4 x 40.8 cm, George Eastman Museum, © 2004 George Eastman House, LL/6423

Eadweard Muybridge, 1884-1887, [Walking, taking off hat], [Animal Locomotion (Philadelphia, 1887)], Collotype, 20.7 x 34.4 cm, George Eastman Museum, © 2004 George Eastman House, LL/6422

Eadweard Muybridge, 1885, 23 July, Toilet; Stooping, throwing Wrap Around Shoulders (Miss Louise), Collotype, 6 7/8 x 16 1/2 ins, George Eastman Museum, LL/33170

Eadweard Muybridge, 1887, Self-portrait of Eadweard Muybridge, [Animal Locomotion], Collotype, 11 1/4 x 10 in (28.6 x 25.4 cm), Swann Galleries - New York, Courtesy of Swann Galleries (Auction, Oct 22, 2009, Photographs & Photographic Literature, Sale 2191 Lot 29), LL/33426

Eadweard Muybridge, 1887, A woman sitting naked on a chair and smoking, Collotype, 17 x 44 cm, Wellcome Collection, Wellcome Library, London (V0048657), LL/36797

Eadweard Muybridge, 1893, The Zoopraxiscope: 1. Athlete, Horse-Back Somersault, Book illustration, University of Pennsylvania - University Archives and Records Center, LL/36815

Eadweard Muybridge, 1893, The Zoopraxiscope: 2. Athletes Boxing, Book illustration, University of Pennsylvania - University Archives and Records Center, LL/36816

Eadweard Muybridge, 1893, The Zoopraxiscope: 3. Athletes Running, Book illustration, University of Pennsylvania - University Archives and Records Center, LL/36817

Eadweard Muybridge, 1893, Book cover for Eadweard Muybridge "Descriptive Zoopraxography or the Science of Animal Locomotion made popular" (University of Pennsylvania: Bureau of Education at the World's Columbian Exposition, in Zoopraxographical Hall, 1893), Book cover, University of Pennsylvania - University Archives and Records Center, LL/36818

Eadweard Muybridge, 1893, Title page for Eadweard Muybridge "Descriptive Zoopraxography or the Science of Animal Locomotion made popular" (University of Pennsylvania: Bureau of Education at the World's Columbian Exposition, in Zoopraxographical Hall, 1893), Title page, University of Pennsylvania - University Archives and Records Center, LL/36811

Eadweard Muybridge, 1893, Zoopraxographical Hall at the World's Columbian Exposition, Book illustration, University of Pennsylvania - University Archives and Records Center, LL/36814

Thomas Eakins, 1884, Marey Wheel Photographs of George Reynolds, Albumen print, 2 7/8 x 3 13/16 in irreg. (7.2 x 9.7 cm), Smithsonian Hirshhorn Museum and Sculpture Garden, Gift of Joseph H. Hirshhorn, 1966, Accession Number: 83.47, LL/37581

Thomas Eakins, 1884, Marey Wheel Photographs of Thomas Eakins, Platinum print, 1 5/8 x 2 1/2 in (4.1 x 6.3 cm), Smithsonian Hirshhorn Museum and Sculpture Garden, Gift of Joseph H. Hirshhorn, 1966, Accession Number: 83.38, LL/37588

Thomas Eakins, 1884, Marey Wheel Photographs of Unidentified Model, Albumen print, 2 7/8 x 3 5/8 in (7.2 x 9.2 cm), Smithsonian Hirshhorn Museum and Sculpture Garden, Gift of Joseph H. Hirshhorn, 1966, Accession Number: 83.42, LL/37589

Thomas Eakins, 1884 (ca), Marey Wheel Photographs of Unidentified Model, Platinum print, 4 3/4 x 4 5/8 in (12.0 x 11.8 cm), Smithsonian Hirshhorn Museum and Sculpture Garden, Gift of Joseph H. Hirshhorn, 1966, Accession Number: 83.55, LL/37590

Thomas Eakins, 1884, Marey Wheel Photographs of Unidentified Model, with Eadweard Muybridge Notations, Gelatin silver print, 9 1/8 x 11 1/4 in (23.2 x 28.5 cm), Smithsonian Hirshhorn Museum and Sculpture Garden, Gift of Joseph H. Hirshhorn, 1966, Accession Number: 83.59, LL/37591

Thomas Eakins, 1883 (ca), Photographs of a Standing Male Nude Model ("Joseph Smith"), Albumen prints, from glass negatives, 8.20 x 2.90 cm (3 3/16 x 1 1/8 ins) (image), Cleveland Museum of Art, John L. Severance Fund, Accession No.: 1997.131, LL/40894

Unidentified photographer / artist, n.d., Ottomar Anschütz, Otto Lilienthal Museum, Courtesy of the Otto Lilienthal-Museum, LL/36808

Ottomar Anschütz, 1885-1886, Horse and rider jumping over an obstacle [Cheval et cavalier sautant un obstacle], Albumen print, 9.5 x 14 cm, Sotheby's - Paris, Photographies, 11 November 2011, Lot 23, LL/44401

Ottomar Anschütz, 1885-1886, Horse and rider jumping over an obstacle [Cheval et cavalier sautant un obstacle], Albumen print, 9.5 x 14 cm, Sotheby's - Paris, Photographies, 11 November 2011, Lot 23, LL/44402

Ottomar Anschütz, 1885-1886, Horse and rider jumping over an obstacle [Cheval et cavalier sautant un obstacle], Albumen print, 9.5 x 14 cm, Sotheby's - Paris, Photographies, 11 November 2011, Lot 23, LL/44403

Ottomar Anschütz, 1885-1886, Horse and rider jumping over an obstacle [Cheval et cavalier sautant un obstacle], Albumen print, 9.5 x 14 cm, Sotheby's - Paris, Photographies, 11 November 2011, Lot 23, LL/44404

Ottomar Anschütz, 1885-1886, Horse and rider jumping over an obstacle [Cheval et cavalier sautant un obstacle], Albumen print, 9.5 x 14 cm, Sotheby's - Paris, Photographies, 11 November 2011, Lot 23, LL/44405

Ottomar Anschütz, 1885-1886, Horse and rider jumping over an obstacle [Cheval et cavalier sautant un obstacle], Albumen print, 9.5 x 14 cm, Sotheby's - Paris, Photographies, 11 November 2011, Lot 23, LL/44406

Ottomar Anschütz, 1885-1886, Horse and rider jumping over an obstacle [Cheval et cavalier sautant un obstacle], Albumen print, 9.5 x 14 cm, Sotheby's - Paris, Photographies, 11 November 2011, Lot 23, LL/44407

Ottomar Anschütz, 1888, Momentphotographie, Book plate, Google Books, LL/34911

Ottomar Anschütz, 1888, Momentphotographie, Book plate, Google Books, LL/34912

Ottomar Anschütz, 1887, Moving Photographs, Magazine page, Google Books, LL/43144

A.M. Worthington, 1894, Engravings of Instantaneous Photographs of the Splash of a Drop of Water falling 40 cm. into Milk. Scale about 6/10 of actual size. Series XIV, 1-6, Engravings, Creative Commons - Wikipedia, LL/33204

A.M. Worthington, 1894, Engravings of Instantaneous Photographs of the Splash of a Drop of Water falling 40 cm. into Milk. Scale about 6/10 of actual size. Series XIV, 7 -12, Engravings, Creative Commons - Wikipedia, LL/33205

A.M. Worthington, 1894, Engravings of Instantaneous Photographs of the Splash of a Drop of Water falling 40 cm. into Milk. Scale about 6/10 of actual size. Series XIV, 9 -12, Engravings, Creative Commons - Wikipedia, LL/33206

Arthur Clive Banfield, 1903, 17 October, The Life-History of a Splash, Magazine illustration, The Courtauld Institute of Art, Copyright: Illustrated London News Ltd. All rights reserved, Gale Document Number: HN3100185740, LL/36715

Antonio Giulio Bragaglia, 1911, Change of Position, Gelatin silver print, 12.8 x 17.9 cm (5 1/16 x 7 1/16 in), Metropolitan Museum of Art, Gilman Collection, Purchase, 2005 (2005.100.135), LL/7463

Vladimir V. Lebedev, 1914, Chronophotograph, self portrait boxing, St. Petersburg, Gelatin silver print, chronophotograph, 14 x 88 cm, CEROS - Jean-Mathieu Martini / Serge Plantureux, Binoche et Giquello, épreuves choisies, 18 november 2010, lot no: 129, LL/41116

Gilbreth & Gilbreth, 1935 (ca), Photograph of inefficient work operation, Gelatin silver print, George Eastman Museum, LL/33195

Gilbreth & Gilbreth, 1935 (ca), Photograph of efficient work operation, Gelatin silver print, George Eastman Museum, LL/33196

Gjon Mili, 1949 (taken), Nude Descending Staircase, Gelatin silver print, 19 3/8 x 15 5/8 ins, Howard Greenberg Gallery, Inventory no: 0013341, LL/38001

Gjon Mili, date unknown, Untitled (Multiple exposure of dancer), Gelatin silver print, 10 1/2 x 13 1/2 ins, Howard Greenberg Gallery, Inventory no: 0012833, LL/38002

Gjon Mili, 1947, Nora Kaye, American Ballet Theatre, Gelatin silver print, 15 5/8 x 19 1/2 ins, Howard Greenberg Gallery, Inventory no: 0015305, LL/38000

Gjon Mili, date unknown, Martha Graham, Gelatin silver print, 20 x 16 ins, Howard Greenberg Gallery, Inventory no: 0067849, LL/37999

Harold E. Edgerton, n.d., Pole Vaulter, Dye transfer print, 15 7/8 x 12 7/8 in, Larry Gottheim, Be-hold, Inc, Courtesy of Larry Gottheim (Auction: March 13, 2008, 51, part 2 / lot 185), LL/27897

Harold E. Edgerton, n.d., Two Fencers Multiflash, Gelatin silver print, 11 x 14, Candace Dwan Gallery, LL/3736

Harold E. Edgerton, 1954, Swirls and Eddies of a Squash Stroke, (Jack Summer, coach), Gelatin silver print, 14 x 11, Ariel Meyerowitz Gallery, LL/2679

Harold E. Edgerton, 1949, Stiff pole vault, Gelatin silver print, 8 x 10, Ariel Meyerowitz Gallery, LL/2651

Harold E. Edgerton, 1952, Moving skip rope, Gelatin silver print, 9 x 11, Ariel Meyerowitz Gallery, LL/2655

Harold E. Edgerton, 1965, 22, Swift through cardboard, Gelatin silver print, 18 x 22, Ariel Meyerowitz Gallery, LL/2652

Harold E. Edgerton, 1939 (ca, taken) 1970s (mid-late, taken), Bouncing Ball, Silver print, 8 1/2 x 12 3/4 ins (21.5 x 32.3 cm), Swann Galleries - New York, Courtesy of Swann Galleries (Auction, "Important Photograms & Photobooks", Dec 9, 2010, #2233, Lot 161), LL/42111

Harold E. Edgerton, 1950s-1960s (early, taken) 1984-1985 (print), Double drops, Cibachrome print, 8 x 11 1/2 ins (20.3 x 29.2 cm) (image) 11 x 14 ins (27.9 x 35.5 cm) (sheet), Swann Galleries - New York, Courtesy of Swann Galleries (Auction, "Important Photograms & Photobooks", Dec 9, 2010, #2233, Lot 160), LL/42110