John Ward (of Chester)
1708 · Good
€305
George Boole
1882 · Fine
€65
Leonhard Euler
1763 · Fair
€140
René Descartes
1912 · Very good
€85
Georg Wilhelm Friedrich Hegel
1813 · Very good
€110
William Leybourn, Richard Sault
1696 · Good
€1,050
Petty, William Sir
1721 · Good
€420
Aristotle
1901 · Good
€70
Walsh, Michael
1808 · Very good
€180
Morris Raphael Cohen
1935 · Fine
€35
Thomas Simpson
1751 · Very good
€660
James Orchard Halliwell-Phillipps, William Bourne
1839 · Good
€95
Johannes Kepler
1616 · Fair
€1,400
John Ayres
1696 · Very good
€1,970
Euclid
1585 · Very good
€565
Felix O'Gallagher
1786 · Good
€265
Aristotle
1578 · Good
€465
G. N. Watson
1935 · Good
€20
Abraham de Moivre
1734 · Good
€750
Aristotle
1579 · Fine
€1,405
Brahmagupta, Henry Thomas Colebrooke
1835 · Good
€135
Joseph Louis Lagrange, A. Boissonnade
1793 · Very good
€505
Plato
1864 · Good
€100
Plato
1843 · Fair
€60
Jacques Rohault
1674 · Fair
€520
Gerrard Hickson
1922 · Very good
€35
Richard Wagner
1800 · Good
€75
Roger Ascham
1572 · Very good
€1,645
Adriaan Pit
1930 · Good · NL
€25
Charles Hutton
1812 · Very good
€245
Nicholson, William
1818 · Very good
€185
George Johnston Allman
1879 · Fine
€130
H. Stanley Redgrove
1935 · Fair
€15
Apollonius of Perga, William H. Donahue
1661 · Fair
€530
Iamblichus, L. Deubner
1746 · Good
€250
George Adams
1797 · Fair
€320
Nicolas Malebranche
1693 · Very good
€600
Silvanus Phillips Thompson
1935 · Very good
€35
Galileo Galilei
1664 · Very good
€2,345
Walter E. Thirring
1906 · Fine
€40
Antoine Laurent Lavoisier
1812 · Fine
€315
Jørgen Peter Müller
1902 · Fine
€155
Caleb Bingham
1806 · Fine
€180
Elias Loomis
1883 · Very good
€120
Ruggle, George
1631 · Very good
€1,630
William Kingdon Clifford
1914 · Fair
€35
Johann Wolfgang von Goethe
1816 · Good
€100
Margaret Bryan
1800 · Good
€210
Richard Helsham
1743 · Very good
€365
Robert Hooke
1672 · Very good
€770
Percival Lowell, Pforzheimer Bruce Rogers Collection (Library of Congress)
1904 · Very good
€45
Aristotle
1561 · Very good
€915
Bertrand Russell
1935 · Good
€85
Johann Caspar Lavater
1787 · Fine
€685
Coles, Elisha
1698 · Good
€835
Gerrit Cornelis August Valewink
1918 · Fine · NL
€85
Plato
1562 · Fine
€1,785
Nikolaas Lambsma
1767 · Very good · NL
€325
Jan Hendrik van Swinden
1795 · Very good · NL
€330
Ludvig Holberg
1776 · Good
€190