TRK561678: Goddess Tefnut (goddess lioness) and the god Ptah. Detail. Ramesseum. Egypt. / Bridgeman Images

TRK561680: Relief depicting a Pharaoh making libations to the gods. Ramesseum. Egypt. / Bridgeman Images

TRK561683: Ramesseum. Relief depicting the pharaoh making an offering to the god Amon and the goddess Isis. Medinet Habu. Egypt. / Bridgeman Images

TRK561148: Saint Thomas Aquinas (1225-1274). / Bridgeman Images

TRK561155: Arago, Dominique-François (1786-1853). / Bridgeman Images

TRK561164: Aerostat, 1887 (engraving), French School, (19th century) / Bridgeman Images

TRK561177: Pope Julius II (1443 1513). Engraving. / Bridgeman Images

TRK561193: St. Charles Borromeo (1538-1584). Cardinal of the Catholic Church. / Bridgeman Images

TRK561195: Camphausen, Wilhelm (1818-1885). German painter. / Bridgeman Images

TRK561197: San Candido (third century). Engraving. / Bridgeman Images

TRK561198: Cameron, Verney Lovett (1844-1894). British traveler and explorer. / Bridgeman Images

TRK561209: Francisco Cirujeda,(1850-1920). Spanish Lieutenant Colonel. / Bridgeman Images

TRK561220: Cavour, Camillo Benso, Count of (Turin ,1810-1861) Italian statesman. Portrait. / Bridgeman Images

TRK561240: Henry III of France with his murderer, French School, (19th century) / Bridgeman Images

TRK561045: Heinr Hirzel machine to produce gas for lighting. / Bridgeman Images

TRK561048: Cleaning the streets after a snowfall. / Bridgeman Images

TRK561059: Andrassy, Gyula / Bridgeman Images

TRK561065: Bonaparte, Eugene Louis Napoleon (1856-1879). / Bridgeman Images

TRK561071: Poverty in Sheffield. Needy kids going to the distribution of food in Vestryhall. Colored engraving in 'The Spanish and American Illustration', 1879 by Ovejero. / Bridgeman Images

TRK561073: WEGENER, Alfred Lothar / Bridgeman Images

TRK561074: Distribution of tickets for soup to the needy people in the office of Windmill Street. / Bridgeman Images

TRK561087: Paul III (1468-1549). Born Alessandro Farnese. / Bridgeman Images

TRK561089: Paul IV (1476-1559). / Bridgeman Images

TRK561096: Florence Nightingale (1820-1910). English nurse, writer and statistician. / Bridgeman Images

TRK561098: John Torrendell (1869-1937). Spanish writer and journalist. / Bridgeman Images

TRK561114: 'if we could compress the real matter in the universe could be all in one teaspoon'. / Bridgeman Images

TRK561133: Oppenheimer, Julius Robert / Bridgeman Images

TRK560530: Spain. Catalonia. Barcelona. Ship and cranes at the dock. / Bridgeman Images

TRK560534: Pius II (1405-1464). Italian pope. / Bridgeman Images

TRK560543: Pius IX (1792-1878). Italian Pope, born Giovanni Maria Mastai-Ferretti. Elected in 1846. Canonization of the martyrs of Japan on the day of Pentecost. Rome. Italy, 1862. / Bridgeman Images

TRK560559: Paya Rico, Miguel (1811-1891). Spanish Cardinal. / Bridgeman Images

TRK560569: Saint Paul the Apostle (c.5-c.67). Apostle to the Gentiles. Shipwreck on the island of Malta. G. Dore drawing. Engraved by H. Pisan. / Bridgeman Images

TRK560578: Francisco Perez Echevarr’a (1824-1884). Spanish writer. Engraving. / Bridgeman Images

TRK560588: Saint Peter Armengol (1238-1304). Spanish Mercedary monk. Engraving. / Bridgeman Images

TRK560589: Isaac Peral (1852-1895). Spanish engineer, sailor and designer of the Peral Submarine. Partial tests verified the Peral submarine in the dock of Arsenal de la Carraca. Cadiz. / Bridgeman Images

TRK560601: Otto I (1815-1867). King of Greece (1832-62), second son of Ludwig I of Bavaria. / Bridgeman Images