H. B. Spotton
1882 · Good
€50
Herbert E. Cobb
1935 · Very good
€30
Jones Quain M.D.
1870 · Good
€40
Felix Klein
1926 · Very good
€35
Søren Kierkegaard
1884 · Good
€50
Steven S. Zumdahl
1907 · Very good
€25
Samuel Schmucker Sadtler
1935 · Very good
€45
E. T. Whittaker
1920 · Good
€25
William Henry Bragg
1925 · Fair
€20
John A. Suchocki
1924 · Good
€25
Thomas Henry Huxley
1901 · Good
€35
Alexander Moszkowski
1935 · Fair
€15
Norman Robert Campbell
1907 · Good
€30
Harry B. Gray, Richard Earl Dickerson
1905 · Good
€25
Arabella B. Buckley
1887 · Good
€45
Franz Sales Meyer
1934 · Very good
€40
Worthington Hooker
1865 · Good
€50
Steven S. Zumdahl
1915 · Good
€45
R. H Woltjer
1935 · Good · NL
€25
Edward Livingston Youmans
1896 · Good
€50
Marcellus Emants
1904 · Good · NL
€20
Dionysius Lardner
1875 · Very good
€50
J. H. Poynting
1922 · Very good
€35
William Anthony Granville
1905 · Very good
€50
Henri Poincaré, J. McKeen Cattell
1915 · Good
€50
Lewis Carroll
1914 · Very good
€25
John Tyndall
1904 · Fair
€20
Frederik van Eeden
1935 · Good · NL
€35
Ernst Heinrich Philipp August Haeckel
1900 · Fine
€30
Richard A. Proctor
1918 · Good
€50
Lydia Maria Child
1872 · Fair
€25
Mellor, Joseph William
1925 · Good
€35
Max Born
1935 · Good
€25
John Attfield
1925 · Very good
€50
Black, Newton Henry
1933 · Fair
€15
Stone, Witmer
1905 · Fair
€20
Lawrence Wolff
1929 · Very good
€35
Steven S. Zumdahl
1915 · Fine
€45
Arthur Schopenhauer
1868 · Good
€40
Victor von Richter
1916 · Good
€25
Erwin Madelung
1935 · Fine
€40
Henry E. Roscoe
1906 · Good
€45
Denison Olmsted
1857 · Fair
€40
S. Laing
1916 · Good
€50
Heindel, Max, Max Heindel
1918 · Very good
€30
Ralph Nicholson Wornum
1861 · Very good
€50
Evelyn Underhill
1901 · Good
€30
Friedrich Fröbel
1919 · Good
€20
Olof Hammarsten
1902 · Good
€25
Edwin Emery Slosson
1935 · Fair
€25
F. Matthias Alexander
1935 · Fine
€35
Gardner, William
1924 · Very good
€35
Friedrich Engels
1907 · Good
€50
T. E. Hulme
1935 · Very good
€25
Watson, William
1929 · Fair
€50
Edwin Checkley
1890 · Good
€50
Emil Zuckerkandl
1923 · Very good
€35
Charles David Hodgman
1916 · Fine
€45
Friedrich Nietzsche
1915 · Fair
€25
G. W. C. Kaye
1915 · Good
€20