Albert Einstein
1932 · Very good
€110
Edwin Emery Slosson
1935 · Very good
€40
Frederick Soddy
1935 · Fine
€30
Gerrard Hickson
1922 · Very good
€35
John Joly
1932 · Very good
€75
Walter E. Thirring
1906 · Fine
€40
Charles Hutton
1812 · Very good
€245
René Descartes
1655 · Fine
€1,820
Percival Lowell
1907 · Very good
€25
Colin MacLaurin
1753 · Very good
€835
Elias Loomis
1883 · Very good
€120
Yogananda Paramahansa
1931 · Fine
€125
Caleb Bingham
1806 · Fine
€180
René Descartes
1912 · Very good
€85
Ralph W. G. Wyckoff
1935 · Very good
€30
Jørgen Peter Müller
1902 · Fine
€155
James Ferguson
1765 · Very good
€805
Robert Thomas
1819 · Very good
€180
Thomas Simpson
1751 · Very good
€660
Antoine Laurent Lavoisier
1812 · Fine
€315
John Wesley
1796 · Very good
€575
Jedidiah Morse
1802 · Very good
€130
Freda Dinn
1903 · Very good
€35
James Finley Weir Johnston
1855 · Very good
€225
Upton Sinclair
1927 · Very good
€75
John Cowper Powys
1933 · Very good
€50
George Fownes
1848 · Very good
€200
Joseph Le Conte
1928 · Very good
€30
A. S. Neill
1935 · Very good
€45
Henry E. Roscoe, Carl Schorlemmer
1886 · Fine
€60
Jane Haldimand Marcet
1809 · Fine
€255
Immanuel Kant
1805 · Very good
€100
Alfred Wegener
1906 · Very good
€55
Hans R. Pruppacher, J.D. Klett
1904 · Very good
€120
George Boole
1882 · Fine
€65
Immanuel Kant, Alain Renaut
1807 · Very good
€330
Immanuel Kant, Kant
1816 · Very good
€155
William Houston Greene
1884 · Very good
€80
Morris Raphael Cohen
1935 · Fine
€35
John Russell Reynolds, J Kiffin Penry
1873 · Fine
€245
James White
1814 · Very good
€130
Roger Eliot Fry
1931 · Very good
€30
Constantin-François Volney
1796 · Fine
€355
Erasmus Darwin
1808 · Fine
€280
Robert Boyle
1673 · Very good
€600
Alexander Tweedie, System
1841 · Fine
€160
Robert Flint
1932 · Very good
€40
David Hume
1762 · Fine
€415
John Frederick William Herschel
1856 · Very good
€55
Gerrit Cornelis August Valewink
1918 · Fine · NL
€85
Rudolf Steiner, Hard Head Publications
1896 · Very good
€95
George Johnston Allman
1879 · Fine
€130
Chemical Society (Great Britain)
1893 · Very good
€60
Edmund Law
1746 · Very good
€565
William Thomas Brande
1820 · Fine
€190
Carlton C. Curtis
1907 · Fine
€50
Jacob Haafner
1851 · Very good · NL
€85
Hegeler Institute
1924 · Fine
€100
Rudolf Otto
1929 · Fine
€35
Erwin Rohde
1913 · Very good
€75