QGA936723: Johann Christian Friedrich Hölderlin (1770 - 1843), German lyric poet / Bridgeman Images

QGA936726: Alexander von Humboldt (1769–1859), German natural scientist / Bridgeman Images

QGA936745: Alfred Krupp (1812–1887), German industrialist / Bridgeman Images

QGA936777: Còsimo di Giovanni degli Mèdici (1389 – 1464), first of the Medici political dynasty / Bridgeman Images

QGA936795: Nero (37 - 68), Roman emperor / Bridgeman Images

QGA936796: Friederike Caroline Neuber, Die Neuberin, (1697 - 1760), German actor and theatre director / Bridgeman Images

QGA936846: John Bright / Bridgeman Images

QGA936852: Vasco da Gama (ca. 1469 – 1524), Portuguese explorer / Bridgeman Images

MEP2378398: Printing press / Bridgeman Images

LLJ606419: Dining Room, Holland House (engraving), English School, (19th century) / Bridgeman Images

LLJ603983: Juvenile ball at the Mansion House (engraving), Staniland, Charles J. (1838-1896) / Bridgeman Images

LLJ586140: Meet of the Coaching Club at the Magazine, Hyde Park, London (engraving), Charlton, John (1849-1917) / Bridgeman Images

INC3833237: The Last Supper, 1977 (hand-coloured stencil print on crumpled paper), Watanabe, Sadao (1913-96) / Bridgeman Images

QGA933039: Hops / Bridgeman Images

QGA933162: Datura / Bridgeman Images

QGA933218: Morello / Bridgeman Images

QGA932959: Brown bear / Bridgeman Images

QGA933670: Polar Bear / Bridgeman Images

QGA932459: Vanilla / Bridgeman Images

QGA932566: Brown bear / Bridgeman Images

QGA933626: Coffee Tree / Bridgeman Images

QGA932676: Lackey moth / Bridgeman Images

QGA932752: Millet / Bridgeman Images

QGA932769: Silkmoth / Bridgeman Images

QGA933349: Fire Salamander: skeleton / Bridgeman Images

QGA936549: André-Marie Ampère (born 20 January 1775, died 10 June 1836), French physicist and mathematician / Bridgeman Images

QGA936575: Archimandrite of the ivirone monastery on Mount Athos in Greece / Bridgeman Images

QGA936648: Caterina Cornaro / Bridgeman Images

QGA936664: Paul Gustave Doré (1832 - 1883), French artist, engraver, illustrator and sculptor / Bridgeman Images

QGA936701: Gustavus Adolphus of Sweden (1594-1632), or Gustaf II Adolf, King of Sweden / Bridgeman Images

QGA936273: Grafting / Bridgeman Images

QGA936412: Autograph: Karl Piloty / Bridgeman Images

QGA936429: Autograph: Elisabeth, Königin von England / Bridgeman Images

QGA936442: Autograph: Dr. Eduard Simson / Bridgeman Images

QGA936443: European eel / Bridgeman Images

QGA936770: Mahmud II (1785 – 1839), 30th Sultan of the Ottoman Empire / Bridgeman Images