Image from Wikimedia Commons
Arthur Conan Doyle - Public Domain
unknown -
unknown - Public Domain
user at project - CC BY-SA 2.5
Fulda - Public Domain
Possibly Seattle Times (archive) - Public Domain
Eva Rinaldi - CC BY-SA 2.0
Ryan - CC BY-SA 2.0
be be nhat - Public Domain
Image from Wikimedia Commons
Arthur Conan Doyle - Public Domain
Leonard, Gladys Osborne 1882-1968
Image from Wikimedia Commons
Angelo Carletti, 1411-1495
Image from Wikimedia Commons
Arden, Eve, 1912-1990
Image from Wikimedia Commons
unknown -
Pastrana Borrero, Misael
Image from Wikimedia Commons
Brico, Antonia
Image from Wikimedia Commons
Pichl, Wenzel, 1741-1805
Image from Wikimedia Commons
Darlington, Henry Vane, Earl of, 1726-1792
Image from Wikimedia Commons
unknown - Public Domain
Gilbert, John Thomas, Sir, 1829-1898
Image from Wikimedia Commons
Adamson, Robert, 1852-1902
Image from Wikimedia Commons
user at project - CC BY-SA 2.5
Hempstead, Edward, 1780-1817
Image from Wikimedia Commons
Thompson, Albert Clifton, 1842-1910
Image from Wikimedia Commons
Maw, Herbert B. (Herbert Brown), 1893-1990
Image from Wikimedia Commons
Szymanowska, Maria Agata Wołowska, 1789-1831
Image from Wikimedia Commons
Flemyng, Robert, 1912-1995
Image from Wikimedia Commons
unknown - Public Domain
Rebel, H. (Hans), 1861-
Image from Wikimedia Commons
Fulda - Public Domain
Alcuin, 735-804
Image from Wikimedia Commons
Possibly Seattle Times (archive) - Public Domain
Jones, Claudia, 1915-1964
Image from Wikimedia Commons
Condé, Claire-Clémence de Maillé-Brézé, princesse de, 1628-1694
Image from Wikimedia Commons
Eva Rinaldi - CC BY-SA 2.0
Cheng, Long, 1954-
Image from Wikimedia Commons
Ramsden, J. (Jesse), 1735-1800
Image from Wikimedia Commons
Wiggins, Joseph, 1832-1905
Image from Wikimedia Commons
Ryan - CC BY-SA 2.0
Sapphire, 1950-....
Image from Wikimedia Commons
Rosenwald, Julius, 1862-1932
Image from Wikimedia Commons
Cronauer, Adrian
Image from Wikimedia Commons
Hill, Doris
Image from Wikimedia Commons
Hessen, Boris
Image from Wikimedia Commons
Dayan, Ruth
Image from Wikimedia Commons
Helm, Levon, 1940-2012
Image from Wikimedia Commons
Nott, Josiah Clark, 1804-1873
Image from Wikimedia Commons
be be nhat - Public Domain
Ngô, Đình Nhu, 1910-1963