Dappled History: Wilbur, left, and Orville Wright sit on the porch steps of their Dayton, Ohio, home in June 1909.
Dappled History: Wilbur Wright, age 38, head and shoulders, about 1905; one of the earliest published photographs of him. Photograph by Orville & Wilbur Wright.
Dappled History: Orville Wright, age 34. Year 1905. Photograph by Orville & Wilbur Wright.
Dappled History: Portrait of Thadeus Reichstein. Circa 1950.
Dappled History: Portrait of Thadeus Reichstein. Circa 1937.
Dappled History: A photograph image of Nikola Tesla at age 34.. Year. Ca. 1890. By Bain News Service, publisher.
Dappled History: Sir Charles Scott Sherrington.
Dappled History: Sir Charles Scott Sherrington. Circa 1920-25. By Bain News Service.
Dappled History: Austrian physicist, philosopher and scientific theorist Erwin Schrödinger on 18th November, 1933.
Dappled History: Sir Ernest Rutherford. Circa 1920s going by Rutherford's appearance.
Dappled History: Sir Ernest Rutherford. 3rd December 1908 (created or published later by Bain News Service)
Dappled History: Portrait of W.C. Roentgen/Rontgen after a photograph by Nicola Perscheld, 1906. Published by the Photographische Gesellschrift in Berlin.
Dappled History: Wilhelm Conrad Roentgen/Rontgen. Circa 1890-1900.
Dappled History: Wilhelm Rontgen. By Bain News Service. Circa 1890-1900.
Dappled History: Wilhelm Conrad Röntgen before 1923. Photographed by Nicola Perscheid.
Dappled History: Portrait of Srinivasa Ramanujan. year 1913.
Dappled History: Max Planck. Year 1938. By Hugo Erfurth.
Dappled History: Portrait of Louis Pasteur by Nadar circa 1886.
Dappled History: J. Robert Oppenheimer smoking a cigarette at the Guest Lodge, Oak Ridge, Tennessee. c. 1946. By Ed Westcott.
Dappled History: Portrait of Dr. J. Robert Oppenheimer, atomic physicist and head of the Manhattan Project. Circa 1944.
Dappled History: Alfred Nobel c1883.
Dappled History: Florence Nightingale. ca. 1860-1870
Dappled History: Florence Nightingale. ca. 1860-1870
Dappled History: Samuel Morse. Samuel Morse with His Recorder. Date: 1857. Medium: salted paper print. Mathew Brady
Dappled History: Marie Curie
Dappled History: Marie Curie. 1903. Taken in Stockholm (probably)
Dappled History: Marie Curie. c. 1900. By Bain News Service.
Dappled History: Marie Curie. circa 1922 to 1930. By Frank Henri Jullien.
Dappled History: Guglielmo Marconi, portrait, head and shoulders, facing left. Year: 1908. Photographers: Pach Brothers.
Dappled History: Portrait of Robert Herman Koch.