GCL3161403: THEODOR SCHWANN (1810-1882). English biologist. Title page of Theodor Schwann's 'Microscopic Investigations,' 1839. / Bridgeman Images

GCL3161406: JOHN BURROUGHS (1837-1921) American naturalist. / Bridgeman Images

GCL3161424: LEWIS AND CLARK These sketches, taken from the journal of Meriwether Lewis and William Clark, show a flat-headed Chinook, the method used to shape the skulls of infants, a rock painting, a Native American hat, and a bighorn sheep. / Bridgeman Images

GCL3161440: PUNISHMENT: THE RACK, 1641 The liar on the rack. Woodcut, English, 1641. / Bridgeman Images

GCL3161444: BLOODLETTING, 1638 A woman using leeches for bloodletting. Woodcut from Willem van den Bossche's 'Historia Medica,' published in 1638. / Bridgeman Images

GCL3161450: GEORGE STEPHENSON (1781-1848). English inventor and founder of railways. Mezzotint, 19th century, after a painting by John Lucas. / Bridgeman Images

GCL3161452: ROBERT STEPHENSON (1803-1859). English engineer. Stipple engraving, English, 1874. / Bridgeman Images

GCL3161468: ST PETER AND ST JOHN St Peter and St John at the Beautiful Gate (Acts 3:6): wood engraving after Gustave Doré (1833-1883)., Dore, Gustave (1832-83) / Bridgeman Images

GCL3161470: DORÉ: CHRIST PREACHING Christ in the synagogue (Matthew 13: 54, 55). Wood engraving after Gustave Doré., Dore, Gustave (1832-83) / Bridgeman Images

GCL3161481: STONEWALL JACKSON (1824-1863). Thomas Jonathan 'Stonewall' Jackson. American Confederate general. Line and stipple engraving, 19th century. / Bridgeman Images

GCL3161490: JOSEPH BRANT (1742-1807) Native American name: Thayendanegea. Mohawk Native American chief. Brant intercedes to prevent the death by torture of captured American captain John McKinsty upon learning that he is a fellow Freemason, following the Battle of the Cedars in Quebec, May 1776. Steel engraving, French, 19th century. / Bridgeman Images

GCL3161494: SHERIDAN'S RIDE, 1864 Union General Philip Henry Sheridan's ride from Winchester to Cedar Creek, Virginia, 19 October 1864. Lithograph, 1886, after Thure de Thulstrup. / Bridgeman Images

GCL3161502: SINGER SEWING MACHINE AD From an American magazine of 1890. / Bridgeman Images

GCL3161505: TUTANKHAMEN'S TOMB Howard Carter, left, and A.C. Mace at the broken wall to the sealed chamber in Tutankhamen's tomb, 1923. / Bridgeman Images

GCL3161506: SINGER SEWING MACHINE AD From an American magazine of 1890. / Bridgeman Images

GCL3161510: Marilyn Monroe (photo) / Bridgeman Images

GCL3161516: ARTUR RUBINSTEIN (1887-1982). American (Polish born) pianist. Photographed c.1947. / Bridgeman Images

GCL3161533: BIBLE: BABYLON FALLING (Revelation 18:5). Color engraving after Gustave Doré. / Bridgeman Images

GCL3161535: CHRISTOPH WILLIBALD GLUCK (1714-1787). German composer: line engraving, 19th century, after a tradional portrait. / Bridgeman Images

GCL3161538: F. SCOTT FITZGERALD (1896-1940). Francis Scott Key Fitzgerald. American writer. Oil over a photograph, c.1925, by Nickolas Muray. / Bridgeman Images

GCL3161556: VENICE, 1833 A view of Venice from the entrance of the Grand Canal: steel engraving, English, 1833. / Bridgeman Images

GCL3161574: SHAKESPEARE: KING LEAR King Lear, Kent, the Fool, and Edgar, disguised as a beggar, in Act III Scene VI of William Shakespeare's 'King Lear.' Wood engraving, English, 1881, after Sir John Gilbert. / Bridgeman Images

GCL3161575: PERRAULT: CINDERELLA 'Look at our little sister.' Woodcut by William Heath Robinson for the fairy tale by Charles Perrault (1628-1703). / Bridgeman Images

MEP3270372: 200th anniversary of the Corps of Gendarmerie of Vatican City, Vatican, 2010 (photo) / Bridgeman Images

MEP3270375: Rino Gaetano, Italy, 1970 (photo) / Bridgeman Images

MEP3270380: Rino Gaetano, Italy, 1970 (photo) / Bridgeman Images

MEP3270382: Iva Zanicchi at the 24th Sanremo Music Festival, Italy, 1970 (photo) / Bridgeman Images

MEP3270389: Angelo Lombardi in the TV show L'amico degli animali, Italy, 1960 (b/w photo) / Bridgeman Images

MEP3270390: Ubaldo Lay in the TV series Tenente Sheridan, Italy, 1960 (b/w photo) / Bridgeman Images

MEP3270398: Angelo Lombardi in the TV show L'amico degli animali, Italy, 1960 (photo) / Bridgeman Images

MEP3270407: Ubaldo Lay in the TV series Tenente Sheridan, Italy, 1960 (b/w photo) / Bridgeman Images

MEP3270417: Pope Francis, Poland, 2010 (photo) / Bridgeman Images

MEP3270418: Pope Francis, United States, 2010 (photo) / Bridgeman Images

MEP3270420: Nicola Di Bari competing at the 20th Sanremo Music Festival, Italy, 1970 (photo) / Bridgeman Images

MEP3270424: Pope Francis, Vatican, 2010 (photo) / Bridgeman Images

MEP3270426: Adriano Celentano in the TV show Francamente me ne infischio, Italy, 1990 (photo) / Bridgeman Images