QGA936635: William Pitt, 1st Earl of Chatham (William Pitt the Elder) (1708–1778), British Prime Minister / Bridgeman Images

QGA936644: Richard Cobden (1804 - 1865), British manufacturer and politician / Bridgeman Images

QGA936656: Demosthenes (384–322 BC), Greek statesman and orator of ancient Athens / Bridgeman Images

QGA936680: Isma'il Pasha, Ismail the Magnificent (1830 –1895), Wali and Khedive of Egypt and Sudan / Bridgeman Images

QGA935547: Ashlar sandstone: Bastion Bridge in Saxon / Bridgeman Images

QGA935205: Palazzo Strozzi in Florence, Italy / Bridgeman Images

QGA936152: Alphabetic character, letter P / Bridgeman Images

QGA936350: Alfred Tennyson. From a Photograph by Elliott & Fry., Elliott & Fry Studio (fl.1860-1900) (after) / Bridgeman Images

QGA936646: James Fenimore Cooper (1789–1851), American writer / Bridgeman Images

QGA936661: Charles Dickens (1812–1870), British novelist / Bridgeman Images

QGA936742: Confucius (551 BCE – 479 BCE),Chinese thinker and social philosopher / Bridgeman Images

QGA936761: Friedrich List (1789–1846), German economist / Bridgeman Images

QGA936616: Alfred Edmund Brehm (February 2, 1829 - November 11, 1884), German zoologist, natural history illustrator and writer / Bridgeman Images

QGA936201: Alphabetic character, letter U / Bridgeman Images

QGA936155: Blaise Pascal (1623–1662), French mathematician and philosopher / Bridgeman Images

QGA936739: Cleopatra VII (69 BC – 30 BC), last Egyptian pharaoh / Bridgeman Images

QGA936885: Boar / Bridgeman Images

QGA935404: Polecat / Bridgeman Images

QGA935342: Louis Agassiz (1807–1873), Swiss-U.S. zoologist, glaciologist, and geologist / Bridgeman Images

QGA935345: Georg Andreas Agricola (1672 - 1738), German physician and botanist / Bridgeman Images

QGA935387: Angora goat / Bridgeman Images

QGA935423: Mongoose / Bridgeman Images

QGA935441: Common squirrel monkey / Bridgeman Images

QGA935528: Marketplace in Rothenburg at the river Tauber / Bridgeman Images

QGA935729: Flamingo / Bridgeman Images

QGA935798: Moose / Bridgeman Images

QGA935035: Watercress / Bridgeman Images

QGA935012: Housefly / Bridgeman Images

QGA935443: White-faced capuchin / Bridgeman Images

QGA935482: János Arany (1817 - 1882), Hungarian journalist, writer, poet, and translator / Bridgeman Images

QGA936783: Gerardus Mercator, a 16th-century Flemish cartographer / Bridgeman Images

QGA936720: Andreas Hofer (1767–1810), Tyrolean innkeeper and rebel / Bridgeman Images

QGA936911: Linseed, flax / Bridgeman Images

QGA935431: Angwantibo / Bridgeman Images

QGA935485: Archimedes of Syracuse (born c. 287 BC, died c. 212 BC), Greek mathematician, physicist, engineer, inventor, and astronomer / Bridgeman Images

QGA935692: Charles Dickens (1812–1870), British novelist / Bridgeman Images