Image from Wikimedia Commons
unknown - CC BY-SA 3.0
MarielMarshall - CC BY-SA 3.0
Maksymilian Fajans - Public Domain
*:File:Mark_Dacascos.jpg - CC BY 2.0
Not known. Photo is held by the Dominican order in Belgium - CC BY-SA 2.5
unknown - Public Domain
William Ennis Thomson - CC BY 3.0
Henry Peach Robinson (1830-1901) - Public Domain
Public Domain
Photographer unidentified - Public Domain
Ludger Kuehnhardt - CC BY-SA 4.0
Lyndon Baines Johnson Presidential Library. - Public Domain
Image from Wikimedia Commons
Magnasco, Alessandro, 1667?-1749?
Image from Wikimedia Commons
unknown - CC BY-SA 3.0
Hoegner, Wilhelm, 1887-1980
Image from Wikimedia Commons
Thompson, Hugh, 1943-2006
Image from Wikimedia Commons
Billings, Franklin S. (Franklin Swift), 1862-1935
Image from Wikimedia Commons
Gale, Thomas, 1635?-1702
Image from Wikimedia Commons
MarielMarshall - CC BY-SA 3.0
Urquhart, Tony
Image from Wikimedia Commons
Andersen, Joachim
Image from Wikimedia Commons
Maksymilian Fajans - Public Domain
Lipiński, Karol Józef, 1790-1861
Image from Wikimedia Commons
*:File:Mark_Dacascos.jpg - CC BY 2.0
Dacascos, Mark, 1964-
Image from Wikimedia Commons
Not known. Photo is held by the Dominican order in Belgium - CC BY-SA 2.5
Pire, Dominique, 1910-1969
Image from Wikimedia Commons
Reuter, Ernst, 1889-1953
Image from Wikimedia Commons
Fuqua, Antoine
Image from Wikimedia Commons
Cruikshank, George, 1792-1878
Image from Wikimedia Commons
Bril, Paul, 1554-1626
Image from Wikimedia Commons
unknown - Public Domain
MacOrlan, Pierre, 1882-1970
Image from Wikimedia Commons
William Ennis Thomson - CC BY 3.0
Thomson, William, 1927-
Image from Wikimedia Commons
Lacordaire, Henri-Dominique, 1802-1861
Image from Wikimedia Commons
Henry Peach Robinson (1830-1901) - Public Domain
Diamond, Hugh Welch
Image from Wikimedia Commons
Van Lew, Elizabeth L., 1818-1900
Image from Wikimedia Commons
Public Domain
Maloney, Jim, 1948-
Image from Wikimedia Commons
Photographer unidentified - Public Domain
Woolley, Celia Parker, 1848-1918
Image from Wikimedia Commons
Whitbread, Thomas, 1618-1679
Image from Wikimedia Commons
Gurney, Samuel, 1786-1856
Image from Wikimedia Commons
Hakewill, George, 1578-1649
Image from Wikimedia Commons
Palma, il Giovane, 1544-1628
Image from Wikimedia Commons
unknown - Public Domain
Armstrong, Samuel Turell, 1784-1850
Image from Wikimedia Commons
Ludger Kuehnhardt - CC BY-SA 4.0
Bracher, Karl Dietrich, 1922-....
Image from Wikimedia Commons
Wassenaer, Unico Wilhelm, graaf van, 1692-1766
Image from Wikimedia Commons
Lyndon Baines Johnson Presidential Library. - Public Domain
Johnson, Sam Houston.
Image from Wikimedia Commons
Carey, Mathew, 1760-1839