John Conduitt
1733 · Very good
€665
Ralph W. G. Wyckoff
1935 · Very good
€30
Sir Isaac Newton
1727 · Very good
€475
Albert Einstein
1932 · Very good
€110
Frederick Soddy
1935 · Fine
€30
Jane Haldimand Marcet
1809 · Fine
€255
Hans R. Pruppacher, J.D. Klett
1904 · Very good
€120
Henry E. Roscoe, Carl Schorlemmer
1886 · Fine
€60
Edwin Emery Slosson
1935 · Very good
€40
Gerrard Hickson
1922 · Very good
€35
Aristotle
1561 · Very good
€915
Euclid
1585 · Very good
€565
Robert Boyle
1673 · Very good
€600
Percival Lowell
1907 · Very good
€25
William Cullen
1801 · Very good
€165
Nicolas Malebranche
1693 · Very good
€600
Thomson, Thomas
1802 · Very good
€160
Caleb Bingham
1806 · Fine
€180
John William Draper
1847 · Fine
€180
Guy Consolmagno, Dan M. Davis
1766 · Very good
€810
John Harvey Kellogg
1914 · Very good
€140
Robert Thomas
1819 · Very good
€180
Elias Loomis
1883 · Very good
€120
Johann Caspar Lavater
1787 · Fine
€685
John Frederick William Herschel
1856 · Very good
€55
Thomas Simpson
1751 · Very good
€660
John Joly
1932 · Very good
€75
Jan Hendrik van Swinden
1795 · Very good · NL
€330
James Ferguson
1765 · Very good
€805
Frank Hastings Hamilton
1869 · Fine
€85
Charles Hutton
1812 · Very good
€245
Watson, Thomas Sir
1846 · Very good
€185
William Houston Greene
1884 · Very good
€80
George Fownes
1848 · Very good
€200
Richard Helsham
1743 · Very good
€365
John Eddowes Bowman
1853 · Very good
€125
Henry, William
1720 · Very good
€615
Claas Hendriksz Gietermaker
1761 · Fine · NL
€315
Leopold Auenbrugger, Forbes, John Sir
1764 · Very good
€295
Joseph Priestley
1841 · Very good
€95
Robert Hooke
1672 · Very good
€770
Alois Senefelder
1828 · Very good
€210
John Flaxman
1829 · Very good
€130
William Thomas Brande
1820 · Fine
€190
William Derham
1722 · Fine
€450
Antoine Laurent Lavoisier
1812 · Fine
€315
Walter E. Thirring
1906 · Fine
€40
Roger Eliot Fry
1931 · Very good
€30
René Descartes
1655 · Fine
€1,820
John Freind
1727 · Very good
€225
John Wesley
1796 · Very good
€575
Philip Barrough
1604 · Very good
€2,155
Freda Dinn
1903 · Very good
€35
John Ruskin
1857 · Fine
€100
Lazzaro Spallanzani
1778 · Very good
€545
John Ruskin
1847 · Very good
€325
John Russell Reynolds, J Kiffin Penry
1873 · Fine
€245
Artemidorus Daldianus
1574 · Fine
€770
Yogananda Paramahansa
1931 · Fine
€125
Jean Le Rond d'Alembert
1753 · Very good
€300