Helmut Gernsheim, 2010, Dustjacket for "The Gernsheim Collection" (Harry Ransom Center and the University of Texas Press, 2010), Dustjacket, Harry Ransom Humanities Research Center at the University of Texas at Austin, LL/39139

Helmut Gernsheim, 2010, Poster for "Discovering the Language of Photography - The Gernsheim Collection", Poster, Harry Ransom Humanities Research Center at the University of Texas at Austin, LL/39140

Hans Hammarski÷ld, 1952, Frosty Grass, Gelatin silver print, Harry Ransom Humanities Research Center at the University of Texas at Austin, © Hans Hammarskiöld. Image courtesy of the Harry Ransom Center., LL/39141

Unidentified photographer, 1963, Helmut and Alison Gernsheim hanging an exhibition at Wayne State University, Detroit, Michigan, Gelatin silver print, Harry Ransom Humanities Research Center at the University of Texas at Austin, LL/39142

Helmut Gernsheim, 1969, Book cover for A revised and enlarged 1969 edition of "The History of Photography: From the Camera Obscura to the Beginning of the Modern Era" by Helmut Gernsheim in collaboration with Alison Gernsheim., Book cover, Harry Ransom Humanities Research Center at the University of Texas at Austin, LL/39143

Helmut Gernsheim, n.d., Book cover for Helmut Gernsheim "New Photo Vision", Book cover, Harry Ransom Humanities Research Center at the University of Texas at Austin, LL/39144

Joseph Nicéphore Niépce, 1826 (taken) 2003 (photographed), Official image of the First Photograph in 2003, minus any manual retouching, Joseph Nicéphore Niépce's View from the Window at Le Gras. c. 1826, Harry Ransom Humanities Research Center at the University of Texas at Austin, Gernsheim Collection Harry Ransom Center / University of Texas at Austin Photo by J. Paul Getty Museum., LL/39145

Joseph Nicéphore Niépce, 1826, Cardinal Georges D'Amboise, Harry Ransom Humanities Research Center at the University of Texas at Austin, LL/39146

Charles Dudley Arnold, 1893, Manufacturers and Liberal Arts Building, Platinotype print, 43.1 x 51.9 cm, Harry Ransom Humanities Research Center at the University of Texas at Austin, LL/39147

Julia Margaret Cameron, 1866 (ca), Study of Child's Head, Albumen print, 34.0 x 26.4 cm, Harry Ransom Humanities Research Center at the University of Texas at Austin, LL/39148

Winifred Casson, 1935 (ca), Accident, Gelatin silver print, 29.4 x 24.4 cm, Harry Ransom Humanities Research Center at the University of Texas at Austin, LL/39149

Lady Clementina Hawarden, 1864, At the Window, Albumen print, 20.5 x 15.3 cm, Harry Ransom Humanities Research Center at the University of Texas at Austin, LL/39150

Lady Clementina Hawarden, 1864, At the Window, Albumen print, detail, 20.5 x 15.3 cm, Harry Ransom Humanities Research Center at the University of Texas at Austin, LL/39151

E.O. Hoppé, 1927, Ship in Dry Dock, Gelatin silver print, 22.4 x 27.8 cm, Harry Ransom Humanities Research Center at the University of Texas at Austin, © 2010 The E.O. Hoppé Estate Collection Curatorial Assistance, Pasadena, California Image courtesy of the Harry Ransom Center, LL/39152

John Stewart, 1852 (ca), Man and Horse, Positive waxed salted-paper print., 18.6 x 26.0 cm, Harry Ransom Humanities Research Center at the University of Texas at Austin, LL/39153

Alinari, 1858 (ca), Florence. Statue of Cosimo Primo, Albumen print, 4.2 x 26.0 cm, Harry Ransom Humanities Research Center at the University of Texas at Austin, LL/39154

Francis Frith, 1859, The Pyramids of El-Geezeh, From the South-West, Albumen print, 37.7 x 48.8 cm, Harry Ransom Humanities Research Center at the University of Texas at Austin, LL/39155

Hill & Adamson, 1845 (ca), A Newhaven Pilot, Salted paper print, 14.6 x 20.3 cm, Harry Ransom Humanities Research Center at the University of Texas at Austin, LL/39156

Robert Howlett, 1857, Isambard Kingdom Brunel, before the Anchor Chains of the Great Eastern, Albumen print, 28.8 x 22.8 cm, Harry Ransom Humanities Research Center at the University of Texas at Austin, LL/39157

Herbert G. Ponting, 1910, The "Terra Nova" at the Ice Foot, [British Antarctic Expedition 1910-1913 (led by Scott on the "Terra Nova")], Gelatin silver print, 38.3 x 30.4 cm, Harry Ransom Humanities Research Center at the University of Texas at Austin, LL/39158

Frank Meadow Sutcliffe, 1888, Excitement, Platinum print, 14.6 x 20.5 cm, Harry Ransom Humanities Research Center at the University of Texas at Austin, LL/39159

David Wilkie Wynfield, 1863, John Everett Millais as Dante, Albumen print, 21.1 x 16.1 cm, Harry Ransom Humanities Research Center at the University of Texas at Austin, LL/39160

Paul Strand, 1933, Plaza. State of Puebla, Photogravure, 40.4 x 31.7 cm, Harry Ransom Humanities Research Center at the University of Texas at Austin, © Aperture Foundation Inc., Paul Strand Archive, Image courtesy of the Harry Ransom Center., LL/39161

Cecil Beaton, 1942, Tank Debris. After the Battle. Sidi Rezegh, Gelatin silver print, 20.5 18.7 cm, Harry Ransom Humanities Research Center at the University of Texas at Austin, © The Cecil Beaton Studio Archive at Sotheby's, Image courtesy of the Harry Ransom Center., LL/39162

Helmut Gernsheim, 1943, Spiral Staircase at St. Paul's Cathedral: Looking Down, Gelatin silver print, 38.0 x 29.7 cm, Harry Ransom Humanities Research Center at the University of Texas at Austin, LL/39163

Harold E. Edgerton, 1948, Baton in Action, Gelatin silver print, 25.4 x 20.6 cm, Harry Ransom Humanities Research Center at the University of Texas at Austin, © The Harold and Esther Edgerton Family Foundation, Courtesy Palm Press, Inc., Image courtesy of the Harry Ransom Center., LL/39164

Fritz Henle, 1966, Exhausted Mine Worker - Germany, Gelatin silver print, 51.0 x 50.0 cm, Harry Ransom Humanities Research Center at the University of Texas at Austin, © Fritz Henle Estate, Image courtesy of the Harry Ransom Center., LL/39165

Felix H. Man, 1931, Mussolini in His Study at Palazzo Venezia, Rome, Gelatin silver print, 29.4 x 39.2 cm, Harry Ransom Humanities Research Center at the University of Texas at Austin, © Estate of Felix H. Man, Image courtesy of the Harry Ransom Center., LL/39166

Clarence John Laughlin, 1937, Three Vistas through One Wall, Gelatin silver print, 26.4 x 36.8 cm, Harry Ransom Humanities Research Center at the University of Texas at Austin, © The Historic New Orleans Collection, Image courtesy of the Harry Ransom Center., LL/39167

Toni Schneiders, 1953, Spiegelnde Scheiben. [Window Reflections.], Gelatin silver print, 41.9 x 25.2 cm, Harry Ransom Humanities Research Center at the University of Texas at Austin, © Toni Schneiders, Image courtesy of the Harry Ransom Center., LL/39168

Peter Keetman, 1958, Ice on Lake During A Snowfall, Gelatin silver print, 29.9 x 40.2 cm, Harry Ransom Humanities Research Center at the University of Texas at Austin, © Peter Keetman / F.C. Gundlach, Image courtesy of the Harry Ransom Center., LL/39169