MLO2767608: Raymond Savignac 1995 / Bridgeman Images

BST2822822: Cover postcard for the series Photography, c.1900 (colour litho), Bompard, Luigi (1879-1953) / Bridgeman Images

KEI3870769: Isabel Greenburg, Edinburgh International Book Festival 2014 (photo) / Bridgeman Images

KEI3870782: Isabel Greenburg, Edinburgh International Book Festival 2014 (photo) / Bridgeman Images

SOV3925177: Musical gladiator - a face drawn using musical notation, Smirnov, Dmitri / Bridgeman Images

SOV3925190: Silence - a figure drawn using musical notation with the moon in the background, Smirnov, Dmitri / Bridgeman Images

SOV3925195: 'Thrilling Beard' - a singing face with a beard drawn using musical notation, Smirnov, Dmitri / Bridgeman Images

QGA936751: Antonie van Leeuwenhoek [1632 - 1723), Dutch tradesman and scientist, worked on improvement of the microscope / Bridgeman Images

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

QGA936793: Louis-Napoléon Bonaparte (1808 – 1873), President of the French Second Republic and ruler of the Second French Empire / Bridgeman Images

QGA936798: Joseph Nicéphore Niépce (1765 – 1833), French inventor of photography / Bridgeman Images

QGA936805: Johann Heinrich Pestalozzi (1746–1827), Swiss pedagogue and educational reformer / Bridgeman Images

QGA936810: Alexander Pope (1688 - 1744), English poet / Bridgeman Images

QGA936820: Alois Senefelder (born november 6 1771 in Prag, died february 26 1834 in Munich), inventor of lithograpy / Bridgeman Images

QGA936825: Victoria (1819 – 1901), Queen regnant of the United Kingdom of Great Britain and Ireland / Bridgeman Images

QGA936835: Lord John Russell / Bridgeman Images

QGA936847: Rowland Hill / Bridgeman Images

QGA936174: Alphabetic character, letter R / Bridgeman Images

QGA936194: Mirror. Etruscan / Bridgeman Images

QGA936201: Alphabetic character, letter U / Bridgeman Images

QGA936220: Castello Nuovo in Verona / Bridgeman Images

QGA935212: Proof the earth is round, ships at sea and perspective of the viewer / Bridgeman Images

QGA935254: Onion / Bridgeman Images

QGA935273: Turkey / Bridgeman Images

QGA935282: Chamois / Bridgeman Images

QGA932795: Sorrel, top right: fruit / Bridgeman Images

QGA933359: Fescue / Bridgeman Images

QGA933364: Clover / Bridgeman Images

QGA935789: Certosa at Pavia / Bridgeman Images

QGA936964: James Cook (1728–1779), (Captain), British explorer / Bridgeman Images

QGA933946: Fescue / Bridgeman Images

QGA934044: Rhubarb stalks / Bridgeman Images

QGA934661: Black spider monkey / Bridgeman Images

QGA932412: Ant lion, antlion / Bridgeman Images

QGA932455: Tuna / Bridgeman Images

QGA933115: Portrait of a German, man from Germany / Bridgeman Images