Image from Wikimedia Commons
Jay Godwin - Public Domain
Alan Light -
Lennart Nilsson/Scanpix - Public Domain
scienceinmelbourne2007 - CC BY 2.0
unknown - Public Domain
Eric Koch / Anefo - CC BY-SA 3.0
Work-for-hire - CC BY-SA 3.0
U.S. Air Force - Public Domain
U.S. Department of Energy - Public Domain
Atelier Straugh, formerly Kameke, Javastraat 20, The Hague, The Netherlands - Public Domain
unknown Upload, stitch and restoration by Jebulon - Public Domain
Public Domain
Lioneldecoster - CC BY-SA 3.0
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Jay Godwin - Public Domain
Oshinsky, David M., 1944-....
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Alan Light -
Baker, Kathy, 1950-....
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Lennart Nilsson/Scanpix - Public Domain
Lindegren, Erik, 1910-1968
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scienceinmelbourne2007 - CC BY 2.0
Flannery, Tim F. (Tim Fridtjof), 1956-
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Bonhoeffer, Karl Friedrich, 1899-1957
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Gomes, Carlos, 1836-1896
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Suassuna, Ariano
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Bentzon, Jørgen
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Dean, Dizzy, 1910-1974
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unknown - Public Domain
Chiera, Edward, 1885-1933
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Martin, Thomas E. (Thomas Ellsworth), 1893-1971
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Preece, William-Henry, 1834-1913
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Eric Koch / Anefo - CC BY-SA 3.0
Tyler, William R.
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Brock, C. E. (Charles Edmund), 1870-1938
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Ingalls, David S. (David Sinton), 1899-1985
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Work-for-hire - CC BY-SA 3.0
Kauffman, George B., 1930-....
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Lee, Hazel Ah Ying, 1912-1944
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Baskerville, Charles, 1870-1922
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U.S. Air Force - Public Domain
Cassidy, Duane H., 1933-
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U.S. Department of Energy - Public Domain
Szilard, Leo
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Atelier Straugh, formerly Kameke, Javastraat 20, The Hague, The Netherlands - Public Domain
Fischer, Mr. (Abraham), 1850-
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Shepherd, Alexander Robey, 1835-1902
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Davies, Marion, 1897-1961
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unknown Upload, stitch and restoration by Jebulon - Public Domain
Pétion, Alexandre, 1770-1818
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Picton, Thomas, Sir, 1758-1815
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Sellaio, Jacopo del, 1441 or 1442-1493
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Wiegleb, Johann Christian, 1732-1800
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Public Domain
Holt, Rush Dew, 1905-1955
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Lioneldecoster - CC BY-SA 3.0
Young, Mighty Joe
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unknown - Public Domain
Potter, Walter, 1835-1918