Carl David Tolmé Runge
1916 · Fine
€50
Erwin Madelung
1935 · Fine
€40
L. A. Waterbury
1913 · Fine
€45
Walter E. Thirring
1906 · Fine
€40
G. H. Hardy, J. G. Leathem
1916 · Fine
€35
Karl Pearson
1934 · Fine
€30
Henry Sinclair Hall, Samuel R. Knight
1904 · Fine
€30
F. Matthias Alexander
1935 · Fine
€35
Wood, Robert Williams
1919 · Fine
€40
Thompson, D'Arcy Wentworth
1931 · Fine
€35
Maximilien Marie
1925 · Fine
€35
Henri Poincaré
1910 · Fine
€30
Steven S. Zumdahl
1915 · Fine
€45
Lewis Beesly, Thomas Baillie Johnston
1928 · Fine
€50
Frederick Soddy
1935 · Fine
€30
Theodore Shennan
1912 · Fine
€45
Ika A. Thomése
1935 · Fine · NL
€35
Alexis Thomson
1912 · Fine
€30
George Sydenham Clarke
1910 · Fine
€30
Mādhavakara.
1924 · Fine
€30
Charles David Hodgman
1916 · Fine
€45
Peter Kropotkin
1910 · Fine
€50
Smithsonian Institution
1935 · Fine
€45
John Dewey
1910 · Fine
€30
George M. Gould
1900 · Fine
€35
E. B. Jamieson
1914 · Fine
€40
Henry Gray F.R.S., Henry Vandyke Carter
1915 · Fine
€50
Rudolf Otto
1929 · Fine
€35
Inge, William Ralph
1926 · Fine
€50
Jesse Feiring Williams
1924 · Fine
€35
Willem van der Woude
1913 · Fine · NL
€40
Alfred North Whitehead
1930 · Fine
€40
Abraham Kuyper
1911 · Fine · NL
€30
Nicolass Muller
1915 · Fine · NL
€35
Morris Raphael Cohen
1935 · Fine
€35
Rudolf Steiner
1932 · Fine
€40
H. Newell Martin
1903 · Fine
€40
Alfred Russel Wallace
1935 · Fine
€35
Ernst Heinrich Philipp August Haeckel
1900 · Fine
€30
Carlton C. Curtis
1907 · Fine
€50
Austin M. Patterson
1935 · Fine
€35
John Reed
1932 · Fine
€40
W. L. van Helten
1935 · Fine · NL
€35
J. Arthur Thomson
1909 · Fine
€45
George Washington Carey, Inez E. Perry
1914 · Fine
€30
Eduard Strasburger
1924 · Fine
€40
Eduard Strasburger
1935 · Fine
€45
James Law, James Law - undifferentiated
1904 · Fine
€35
James Martineau
1923 · Fine
€40
Jean-Jacques Rousseau
1927 · Fine
€30
Peter Lund Simmonds, Simmonds P. L. (Peter Lund)
1923 · Fine
€50
Guillaume Groen van Prinsterer
1903 · Fine · NL
€30
Robert W. Chambers
1925 · Fine
€45
Hilaire Belloc
1929 · Fine
€35
Leonard Anthony Springer
1915 · Fine · NL
€30
Maurice Henry Hewlett
1926 · Fine
€45
H. Newell Martin, Ernest Gale Martin
1904 · Fine
€40
John Willis Clark
1918 · Fine
€50
Mary Greer Conklin
1923 · Fine
€40
Willem Jan Maria Westerwoudt
1915 · Fine · NL
€40