C. A. Johns
1870 · Good
€40
Winston S. Churchill
1906 · Good
€40
Michael Faraday
1874 · Fine
€65
Balfour Stewart
1919 · Good
€20
Wilmore, Albert.
1921 · Good
€35
Thomas Whittaker
1907 · Good
€95
Florian Cajori
1929 · Good
€65
E. T. Whittaker, Sir William McCrae
1906 · Good
€35
Clive Bell
1935 · Very good
€120
Ron Larson
1906 · Good
€45
Heinrich Durège, George Egbert Fisher
1867 · Good
€60
P. Wijdenes
1932 · Very good · NL
€60
Garrett Putman Serviss
1913 · Good
€35
Ernst Heinrich Philipp August Haeckel
1911 · Very good
€110
Augustin Privat-Deschanel
1903 · Very good
€40
Marcellus Emants
1900 · Very good · NL
€25
Joseph Louis Lagrange, Thomas J. McCormack
1898 · Good
€40
James Clerk Maxwell
1881 · Good
€125
Alexander Ziegler
1874 · Very good · NL
€165
Lewis F. Allen
1858 · Very good
€195
Arthur A. Noyes
1935 · Good
€20
Salisbury, Rollin D.
1909 · Fine
€65
A. Wilmer Duff
1916 · Very good
€65
Arie Mijnlieff
1881 · Good · NL
€120