Image from Wikimedia Commons
Original uploader was SuperGirl - Public Domain
unknown - Public Domain
NatGertler - CC BY-SA 3.0
Public Domain
Roddy17 - CC BY-SA 3.0
Author unknown according to http://dnfx.dfi.dk/pls/dnf/pwt.page_setup?p_pagename=dnfnavn&p_parmlist=navneid=114970 -
Pash Brothers - Public Domain
Greg Grossmeier - CC BY-SA 2.0
Courtesy the w:en:Fraser_MacPherson - CC BY 2.0
US Army Signal Corps - Public Domain
Georges Biard - CC BY-SA 3.0
Frank Penny - Public Domain
Joe Vitale 5 - CC BY-SA 4.0
"Anniston Star" newspaper (Anniston, AL). - Public Domain
See below - Public Domain
Image from Wikimedia Commons
Original uploader was SuperGirl - Public Domain
Heaviside, Oliver, 1850-1925
Image from Wikimedia Commons
unknown - Public Domain
Lassell, W. (William), 1799-1880
Image from Wikimedia Commons
NatGertler - CC BY-SA 3.0
Gertler, Nat.
Image from Wikimedia Commons
Public Domain
Farman, Maurice
Image from Wikimedia Commons
Nettleship, Richard Lewis, 1846-1892
Image from Wikimedia Commons
Plenty Coups, Chief of the Crows, 1848-1932
Image from Wikimedia Commons
Talma, François Joseph, 1763-1826
Image from Wikimedia Commons
Tennyson, Frederick, 1807-1898
Image from Wikimedia Commons
Duncan of Camperdown, Adam Duncan, Viscount, 1731-1804
Image from Wikimedia Commons
unknown - Public Domain
Hutton, Frederick Wollaston, 1836-1905
Image from Wikimedia Commons
Ponting, Herbert, 1870-1935
Image from Wikimedia Commons
Public Domain
Bibb, Thomas, 1784-1839
Image from Wikimedia Commons
Davis, Jonathan McMillan, 1871-1943
Image from Wikimedia Commons
Roddy17 - CC BY-SA 3.0
O'Connor, Roderic Ladew, 1921-1982
Image from Wikimedia Commons
Henry, Gustavus A. (Gustavus Adolphus), 1804-1880
Image from Wikimedia Commons
Elliott, Carl, 1913-1999
Image from Wikimedia Commons
Thiele, Johannes, 1865-1918
Image from Wikimedia Commons
Author unknown according to http://dnfx.dfi.dk/pls/dnf/pwt.page_setup?p_pagename=dnfnavn&p_parmlist=navneid=114970 -
Meyer, Johannes, 1884-1972
Image from Wikimedia Commons
Public Domain
Grantham, Thomas Robinson, Baron, 1695-1770
Image from Wikimedia Commons
Pash Brothers - Public Domain
Rhind, J. Massey (John Massey), 1858-
Image from Wikimedia Commons
Greg Grossmeier - CC BY-SA 2.0
Litman, Jessica, 1953-
Image from Wikimedia Commons
Courtesy the w:en:Fraser_MacPherson - CC BY 2.0
Hinton, Milt
Image from Wikimedia Commons
US Army Signal Corps - Public Domain
Weible, Walter L. (Walter Leo), 1896-1980
Image from Wikimedia Commons
Georges Biard - CC BY-SA 3.0
Duquenne, Pascal, 1970-....
Image from Wikimedia Commons
Frank Penny - Public Domain
Spencer, George, 1799-1864
Image from Wikimedia Commons
Joe Vitale 5 - CC BY-SA 4.0
Jakszyk, Jakko M.
Image from Wikimedia Commons
"Anniston Star" newspaper (Anniston, AL). - Public Domain
Armstrong, O. K. (Orland Kay), 1893-1987
Image from Wikimedia Commons
Glover, John, 1732-1797
Image from Wikimedia Commons
See below - Public Domain
Beckwith, George, Sir, 1753-1823
Image from Wikimedia Commons
Pierre, Jean-Baptiste-Marie, 1714-1789