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Portraits from the Dibner Library of the History of Science and Technology
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Scientist: Sage, Balthazar Georges (1740 - 1824)
Discipline(s): Geology ; Chemistry
Print Artist: Hubert 
Medium: Engraving 
Original Dimensions: Graphic: 15.8 x 10.8 cm / Sheet: 24.9 x 18 cm
Portrait of Balthazar Georges Sage
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Scientist: Sage, Balthazar Georges (1740 - 1824)
Discipline(s): Geology ; Chemistry
Print Artist: Jaques-Firmin Beauvarlet, 1731-1797 
Medium: Engraving 
Original Artist: F.G. Colson 
Original Dimensions: Graphic: 16.1 x 10.8 cm / Sheet: 21.3 x 14 cm
Portrait of Balthazar Georges Sage
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Scientist: Sainte-Claire Deville, Henri Étienne (1818 - 1881)
Discipline(s): Chemistry
Original Dimensions: Graphic: 7.5 x 6.4 cm /
Portrait of Henri Étienne Sainte-Claire Deville
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Scientist: Saint-Hilaire, Jules Barthélemy (1805 - 1895)
Discipline(s): Classics
Print Artist: Jean-Baptiste-Adolphe Lafosse, ca.1810-1879 
Medium: Lithograph 
Original Artist: Pierre Petit, 1832-1885 
Original Dimensions: Graphic: 21 x 19 cm / Sheet: 31.9 x 24.2 cm
Portrait of Jules Barthélemy Saint-Hilaire
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Scientist: Salmon, William (1644 - 1713)
Discipline(s): Medicine
Print Artist: R. White 
Medium: Engraving 
Original Dimensions: Graphic: 14.6 x 9.2 cm / Sheet: 15.5 x 9.7 cm
Portrait of William Salmon
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Scientist: Sané, Jacques-Noël (1740 - 1831)
Discipline(s): Engineering
Print Artist: Julien Leopold Boilly, 1796-1874 
Medium: Lithograph 
Original Dimensions: Graphic: 15.5 x 19.2 cm / Sheet: 34 x 25.3 cm
Portrait of Jacques-Noël Sané
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Scientist: Sarpi, Paolo (1552 - 1623)
Discipline(s): Physics
Print Artist: George Vertue, 1684-1756 
Medium: Engraving 
Original Dimensions: Graphic: 21.9 x 16 cm / Sheet: 25 x 18.3 cm
Portrait of Paolo Sarpi
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Scientist: Saunderson, Nicholas (1682 - 1739)
Discipline(s): Mathematics
Print Artist: F. Hinton 
Medium: Engraving 
Original Artist: J. Vanderbank 
Original Dimensions: Graphic: 14.8 x 10.5 cm / Sheet: 21 x 12.5 cm
Portrait of Nicholas Saunderson
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Scientist: Saunderson, Nicholas (1682 - 1739)
Discipline(s): Mathematics
Print Artist: F. Hinton 
Medium: Engraving 
Original Artist: J. Vanderbank 
Original Dimensions: Graphic: 14.6 x 10.5 cm / Sheet: 21 x 13 cm
Portrait of Nicholas Saunderson
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Scientist: Saxton, Joseph (1799 - 1873)
Discipline(s): Scientific Instruments
Original Dimensions: Graphic: 10.2 x 8.1 cm /
Portrait of Jospeh Saxton
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Scientist: Saxton, Joseph (1799 - 1873)
Discipline(s): Scientific Instruments
Original Dimensions: Graphic: 17 x 11.8 cm / Sheet: 17 x 12.8 cm
Portrait of Jospeh Saxton
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Scientist: Saxton, Joseph (1799 - 1873)
Discipline(s): Scientific Instruments
Original Artist: Christian Schussele, ca.1826-1879 
Original Dimensions: Graphic: 11.5 x 7.5 cm /
Portrait of Jospeh Saxton
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Scientist: Scaliger, Joseph Juste (1540 - 1609)
Discipline(s): Classics
Print Artist: Theodore de Bry, 1528-1598 
Medium: Woodcut 
Original Dimensions: Graphic: 12 x 8.8 cm / Sheet: 20.3 x 13.9 cm
Portrait of Joseph Juste Scaliger
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Scientist: Schaeberle, John Martin (1853 - 1924)
Discipline(s): Astronomy
Original Dimensions: Graphic: 22.8 x 15.4 cm / Sheet: 24 x 16.5 cm
Portrait of John Martin Schaeberle
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Scientist: Scheibler, Carl Bernhard Wilhelm (1827 - 1899)
Discipline(s): Chemistry
Original Dimensions: Graphic: 10.4 x 8.1 cm / Sheet: 23.4 x 14.6 cm
Portrait of Carl Bernhard Wilhelm Scheibler
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Scientist: Schering, Ernst Christian Julius (1824 - 1889)
Discipline(s): Mathematics
Original Dimensions: Graphic: 8.6 x 5.9 cm / Sheet: 23.3 x 14.1 cm
Portrait of Ernst Christian Julius Schering
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Scientist: Schlesinger, Ludwig (1864 - )
Discipline(s): Mathematics
Original Dimensions: Graphic: 16.4 x 11.7 cm / Sheet: 16.5 x 12.4 cm
Portrait of Ludwig Schlesinger
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Scientist: Schmitt, Rudolf William (1830 - 1898)
Discipline(s): Chemistry
Original Dimensions: Graphic: 9 x 8 cm / Sheet: 22.9 x 14.6 cm
Portrait of Rudolph William Schmitt
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Scientist: Schomberg, Isaac
Discipline(s): Medicine
Print Artist: William P. Sherlock, b. ca. 1780 
Medium: Engraving 
Original Artist: Hudson 
Original Dimensions: Graphic: 10.1 x 7.6 cm / Sheet: 14.1 x 10.2 cm
Portrait of Isaac Schomberg
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Scientist: Schönbein, Christian (1799 - 1868)
Discipline(s): Chemistry
Original Dimensions: Graphic: 8.3 x 7 cm /
Portrait of Christian Schönbein
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Scientist: Schöner, Johann (1477 - 1547)
Discipline(s): Astronomy ; Geography
Original Dimensions: Graphic: 10.2 x 8 cm / Sheet: 15.9 x 9.5 cm
Portrait of Johann Schöner
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Scientist: Schorer, Christoph (1618 - 1671)
Discipline(s): Medicine
Print Artist: Philipp Kilian, 1628-1693 
Medium: Woodcut 
Original Dimensions: Graphic: 13.9 x 10.2 cm / Sheet: 15.8 x 10.2 cm
Portrait of Christoph Schorer
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Scientist: Schrödinger, Erwin (1887 - 1961)
Discipline(s): Physics
Original Artist: Robertson 
Original Dimensions: Graphic: 10.8 x 8 cm / Sheet: 13.5 x 8.8 cm
Portrait of Erwin Schrödinger
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Scientist: Schröter, Johann Hieronymus (1745 - 1816)
Discipline(s): Astronomy
Original Dimensions: Graphic: 6.8 x 5.7 cm / Sheet: 15.5 x 9.2 cm
Portrait of Johann Hieronymus Schröter
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Scientist: Schrötter, Anton, Ritter von Kristelli (1802 - 1875)
Discipline(s): Chemistry
Print Artist: Adolf Dauthage, 1825-1883 
Medium: Lithograph 
Original Artist: J. Hoefelich 
Original Dimensions: Graphic: 21 x 16.5 cm / Sheet: 30 x 21.4 cm
Portrait of Anton Schrötter, Ritter von Kristelli
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Scientist: Schumacher, Heinrich Christian (1780 - 1850)
Discipline(s): Astronomy ; Geodesy
Print Artist: Ausborn 
Medium: Lithograph 
Original Artist: Jenssen 
Original Dimensions: Graphic: 20.5 x 20.5 cm / Sheet: 28.9 x 21.3 cm
Portrait of Heinrich Christian Schumacher
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Scientist: Schwarz, Berthold (14th C. - )
Discipline(s): Chemistry
Original Dimensions: Graphic: 17.5 x 14.3 cm / Sheet: 20.6 x 15.8 cm
Portrait of Berthold Schwarz
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Scientist: Schwenter, Daniel (1585 - 1636)
Discipline(s): Mathematics
Print Artist: Theodore de Bry, 1528-1598 
Medium: Woodcut 
Original Dimensions: Graphic: 12.5 x 9.3 cm / Sheet: 19 x 14.8 cm
Portrait of Daniel Schwenter
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Scientist: Schwenter, Daniel (1585 - 1636)
Discipline(s): Mathematics
Print Artist: Lucas Kilian, 1579 -1637 
Medium: Woodcut 
Original Dimensions: Graphic: 13.8 x 10.8 cm / Sheet: 23.4 x 15 cm
Portrait of Daniel Schwenter
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Scientist: Seaborg, Glenn Theodore (1912 - 1999)
Discipline(s): Chemistry
Original Dimensions: Graphic: 24 x 19.2 cm / Sheet: 25.3 x 20.5 cm
Portrait of Glenn Theodore Seaborg
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Scientist: Secchi, Angelo (1818 - 1878)
Discipline(s): Astronomy
Original Dimensions: Graphic: 6.5 x 4.7 cm / Sheet: 10.5 x 6.5 cm
Portrait of Angelo Secchi
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Scientist: Segner, Johann Andreas von (1704 - 1777)
Discipline(s): Mathematics ; Physics
Print Artist: Carl Gottlieb Rasp, 1752-1807 
Medium: Engraving 
Original Artist: Friedrich Heinrich or Wolfgang Fuger 
Original Dimensions: Graphic: 27 x 19.7 cm / Sheet: 28.6 x 20.6 cm
Portrait of Johann Andreas von Segner
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Scientist: Senefelder, Alois (1771 - 1834)
Discipline(s): Invention
Original Dimensions: Graphic: 8.3 x 8 cm / Sheet: 23.4 x 14.5 cm
Portrait of Alois Senefelder
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Scientist: Senefelder, Alois (1771 - 1834)
Discipline(s): Invention
Print Artist: Nicolas Henri Jacob, 1782-1871 
Medium: Lithograph 
Original Artist: Neumaier 
Original Dimensions: Graphic: 7.3 x 6 cm / Sheet: 21 x 14.3 cm
Portrait of Alois Senefelder
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Scientist: Shaw, George (1751 - 1813)
Discipline(s): Biology
Print Artist: Ambroise Tardieu, 1788-1841 
Medium: Engraving 
Original Artist: T. Russell 
Original Dimensions: Graphic: 10.3 x 7.7 cm / Sheet: 28 x 18.5 cm
Portrait of George Shaw
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Scientist: Siemens, Friedrich (1826 - 1904)
Discipline(s): Invention ; Engineering
Original Dimensions: Graphic: 14.3 x 9.7 cm / Sheet: 16 x 11.4 cm
Portrait of Friedrich Siemens
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Scientist: Siemens, Werner von (1816 - 1892)
Discipline(s): Electrical Engineering
Print Artist: Meisenbach, Riffarth & Co. 
Medium: Engraving 
Original Dimensions: Graphic: 13.9 x 10 cm / Sheet: 22.5 x 14.9 cm
Portrait of Werner von Siemens
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Scientist: Siemens, Werner von (1816 - 1892)
Discipline(s): Electrical Engineering
Original Artist: Franz von Lenbach, 1836-1904 
Original Dimensions: Graphic: 23 x 18.7 cm / Sheet: 26 x 19.8 cm
Portrait of Werner von Siemens
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Scientist: Siemens, Wilhelm (1823 - 1883)
Discipline(s): Engineering
Original Dimensions: Graphic: 22.1 x 14.9 cm / Sheet: 33.2 x 23 cm
Portrait of Wilhelm Siemens
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Scientist: Sikorsky, Igor Ivan (1889 - 1972)
Discipline(s): Aeronautics
Original Dimensions: Graphic: 25 x 20.2 cm / Sheet: 28.1 x 21.9 cm
Portrait of Igor Ivan Sikorsky
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Scientist: Silliman, Benjamin (1779 - 1864)
Discipline(s): Chemistry ; Geology
Print Artist: William G. Jackman, fl. 1841-1860 
Medium: Engraving 
Original Dimensions: Graphic: 11 x 8.5 cm / Sheet: 22.2 x 13.5 cm
Portrait of Benjamin Silliman
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Scientist: Silliman, Benjamin (1779 - 1864)
Discipline(s): Chemistry ; Geology
Print Artist: William G. Jackman, fl. 1841-1860 
Medium: Engraving 
Original Dimensions: Graphic: 11 x 9 cm / Sheet: 26.3 x 17 cm
Portrait of Benjamin Silliman
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Scientist: Sloane, Hans (1660 - 1753)
Discipline(s): Medicine ; Biology
Original Artist: Gottfried Kneller, 1646-1723 
Original Dimensions: Graphic: 3.5 x 3.7 cm / Sheet: 4.5 x 4.5 cm
Portrait of Hans Sloane
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Scientist: Sloane, Hans (1660 - 1753)
Discipline(s): Medicine ; Biology
Print Artist: Johann-Martin Bernigeroth, 1713-1767 
Medium: Engraving 
Original Artist: Gottfried Kneller, 1646-1723 
Original Dimensions: Graphic: 10 x 7.5 cm / Sheet: 21.5 x 14.7 cm
Portrait of Hans Sloane
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Scientist: Smeaton, John (1724 - 1792)
Discipline(s): Engineering
Print Artist: Richard Woodman, 1784-1859 
Medium: Engraving 
Original Artist: John Mortimer, 1741-1779 
Original Dimensions: Graphic: 12.8 x 10.4 cm / Sheet: 25.8 x 17.4 cm
Portrait of John Smeaton
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Scientist: Smeaton, John (1724 - 1792)
Discipline(s): Engineering
Print Artist: Richard Woodman, 1784-1859 
Medium: Engraving 
Original Artist: John Mortimer, 1741-1779 
Original Dimensions: Graphic: 12.8 x 10.4 cm / Sheet: 22 x 14.2 cm
Portrait of John Smeaton
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Scientist: Smith, William (1769 - 1839)
Discipline(s): Geology
Original Dimensions: Graphic: 13.2 x 10.3 cm /
Portrait of William Smith
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Scientist: Smithells, Arthur (1860 - 1939)
Discipline(s): Chemistry
Original Dimensions: Graphic: 13.3 x 9.2 cm / Sheet: 25.4 x 19.1 cm
Portrait of Arthur Smithells
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Scientist: Snellius, Willebrord (1580 - 1626)
Discipline(s): Mathematics ; Physics ; Astronomy
Original Dimensions: Graphic: 10.3 x 7.5 cm / Sheet: 22.7 x 13.8 cm
Portrait of Willebrord Snellius
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Scientist: Soemmering, Samuel Thomas von (1755 - 1830)
Discipline(s): Medicine
Original Artist: Carl Wilhelm Bender 
Original Dimensions: Graphic: 8 x 6.5 cm / Sheet: 13 x 10 cm
Portrait of Samuel Thomas von Soemmering
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Scientist: Soemmering, Samuel Thomas von (1755 - 1830)
Discipline(s): Medicine
Print Artist: Ambroise Tardieu, 1788-1841 
Medium: Engraving 
Original Artist: Carl Wilhelm Bender 
Original Dimensions: Graphic: 10.2 x 7.5 cm / Sheet: 21.5 x 15.1 cm
Portrait of Samuel Thomas von Soemmering
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Scientist: Sowerby, James (1757 - 1822)
Discipline(s): Biology ; Geology
Original Dimensions: Graphic: 22.5 x 19.7 cm /
Portrait of James Sowerby
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Scientist: Spencer, Herbert (1820 - 1903)
Discipline(s): Physics ; Biology
Original Dimensions: Graphic: 20.4 x 14.6 cm / Sheet: 26.8 x 21.5 cm
Portrait of Herbert Spencer
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Scientist: Spencer, Herbert (1820 - 1903)
Discipline(s): Physics ; Biology
Print Artist: Vincent, Brooks, Day & Son 
Medium: Lithograph 
Original Artist: Francis Carruthers Gould 
Original Dimensions: Graphic: 31 x 18.5 cm / Sheet: 38.3 x 26.4 cm
Portrait of Herbert Spencer
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Scientist: Spencer, Herbert (1820 - 1903)
Discipline(s): Physics ; Biology
Original Dimensions: Graphic: 11.6 x 7.5 cm / Sheet: 21.5 x 14.3 cm
Portrait of Herbert Spencer
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Scientist: Stanley, Henry Morton (1841 - 1904)
Discipline(s): Exploration
Original Dimensions: Graphic: 9.3 x 5.8 cm / Sheet: 10.6 x 6.4 cm
Portrait of Henry Morton Stanley
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Scientist: Stefan, Jozef (1835 - 1893)
Discipline(s): Physics
Print Artist: K. Schoenbauer 
Medium: Engraving 
Original Dimensions: Graphic: 7.3 x 6.8 cm / Sheet: 32.8 x 22.8 cm
Portrait of Jozef Stefan
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Scientist: Steinheil, Carl August (1801 - 1870)
Discipline(s): Physics ; Astronomy
Original Dimensions: Graphic: 23.9 x 19.3 cm / Sheet: 33.1 x 23.2 cm
Portrait of Carl August Steinheil
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Scientist: Steinheil, Carl August (1801 - 1870)
Discipline(s): Physics ; Astronomy
Print Artist: J. C. Battre 
Medium: Engraving 
Original Artist: Franz Hanfstaeng, 1804-1877 
Original Dimensions: Graphic: 11 x 8.5 cm / Sheet: 23.8 x 15.4 cm
Portrait of Carl August Steinheil
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Scientist: Steinheil, Carl August (1801 - 1870)
Discipline(s): Physics ; Astronomy
Original Artist: Franz Hanfstaeng, 1804-1877 
Original Dimensions: Graphic: 11 x 8.5 cm / Sheet: 23.8 x 15.4 cm
Portrait of Carl August Steinheil
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Scientist: Steinheil, Carl August (1801 - 1870)
Discipline(s): Physics ; Astronomy
Original Artist: Franz Hanfstaeng, 1804-1877 
Original Dimensions: Graphic: 11 x 8.5 cm / Sheet: 23.8 x 15.4 cm
Portrait of Carl August Steinheil
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Scientist: Stephenson, George (1781 - 1848)
Discipline(s): Engineering
Original Artist: Henry William Pickersgill, 1782-1875 
Original Dimensions: Graphic: 23.8 x 18.8 cm / Sheet: 32.6 x 23 cm
Portrait of George Stephenson
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Scientist: Stephenson, George (1781 - 1848)
Discipline(s): Engineering
Original Artist: John Lucas, 1807-1874 
Original Dimensions: Graphic: 19 x 13.7 cm / Sheet: 28 x 22.2 cm
Portrait of George Stephenson
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Scientist: Stephenson, Robert (1803 - 1859)
Discipline(s): Engineering
Print Artist: Daniel J. Pound, fl. 19th C. 
Medium: Engraving 
Original Artist: Mayall 
Original Dimensions: Graphic: 21.5 x 17 cm / Sheet: 33 x 23.1 cm
Portrait of Robert Stephenson
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Scientist: Stewart, Dugald (1753 - 1828)
Discipline(s): Physics ; Mathematics
Print Artist: William Home Lizars, 1788-1859 
Medium: Engraving 
Original Dimensions: Graphic: 11.5 x 8.7 cm / Sheet: 24.7 x 18.9 cm
Portrait of Dugald Stewart
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Scientist: Stokes, George Gabriel (1819 - 1903)
Discipline(s): Physics ; Mathematics
Original Dimensions: Graphic: 9.2 x 5.8 cm / Sheet: 10.6 x 6.3 cm
Portrait of George Gabriel Stokes
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Scientist: Strabo (63 BCE - 25 CE)
Discipline(s): Geography
Original Dimensions: Graphic: 17.4 x 14.7 cm / Sheet: 21 x 17.2 cm
Portrait of Strabo
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Scientist: Sturm, Leonhard Christoph (1669 - 1719)
Discipline(s): Mathematics ; Engineering
Print Artist: Johann-Martin Bernigeroth, 1713-1767 
Medium: Engraving 
Original Dimensions: Graphic: 26.7 x16.7 cm / Sheet: 28.5 x 18.1 cm
Portrait of Leonhard Christoph Sturm
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Scientist: Sulzer, Johann Georg (1720 - 1779)
Discipline(s): Physics
Print Artist: Daniel Berger, 1744-1824 
Medium: Engraving 
Original Artist: Anton Graff, 1736-1813 
Original Dimensions: Graphic: 7 x 6.8 cm / Sheet: 16.2 x 10.8 cm
Portrait of Johann Georg Sulzer
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Scientist: Sydenham, Thomas (1624 - 1689)
Discipline(s): Medicine
Original Dimensions: Graphic: 10.6 x 9.3 cm / Sheet: 17.3 x 10.8 cm
Portrait of Thomas Sydenham
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Scientist: Sydenham, Thomas (1624 - 1689)
Discipline(s): Medicine
Original Dimensions: Graphic: 7.2 x 6.5 cm / Sheet: 17.5 x 7.9 cm
Portrait of Thomas Sydenham
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Scientist: Sydenham, Thomas (1624 - 1689)
Discipline(s): Medicine
Print Artist: Jacobus Houbraken, 1698-1780 
Medium: Print 
Original Artist: Peter Lely, 1618-1680. 
Original Dimensions: Graphic: 34.6 x 22.2 / Sheet: 39.7 x 24.4 cm
Portrait of Thomas Sydenham
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Scientist: Sylvester, James Joseph (1814 - 1897)
Discipline(s): Mathematics
Original Dimensions: Graphic: 6.4 x 5.3 cm / Sheet: 10 x 22.3 cm
Portrait of James Joseph Sylvester
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