John Francis Campbell
1865 · Good
€50
Grant Allen
1884 · Very good
€45
Robert Ellis, F.L.S.
1852 · Very good
€110
John Leslie
1861 · Fair
€50
Robert William Felkin
1898 · Good
€115
Ira Remsen
1888 · Very good
€120
Mary Somerville
1863 · Good
€170
Alexander von Humboldt
1876 · Very good
€150
Elijah H. Burritt
1866 · Good
€60
Brooks Adams
1897 · Fine
€190
Samuel William Johnson
1877 · Good
€100
Alexander von Humboldt
1858 · Good
€110
C. A. Johns
1870 · Good
€40
Arnold Henry Guyot
1850 · Fair
€35
George Sand
1881 · Fair
€25
John Burroughs
1886 · Very good
€200
Daniel Webster
1854 · Good
€150
John Herbert Sangster
1863 · Good
€75
John Burroughs
1894 · Good
€45
Koninklijke Akademie van Wetenschappen (Netherlands). Afdeeling Natuurkunde
1886 · Very good · NL
€85
Dionysius Lardner
1875 · Very good
€50
Arabella B. Buckley
1887 · Good
€45
John Ruskin
1887 · Good
€45
William Thomson Kelvin
1889 · Very good
€165
M. Büsgen
1897 · Good
€65
John Stuart Mill
1891 · Very good
€65
Camille Flammarion
1887 · Fine
€80
Charles Dudley Warner
1888 · Very good
€70
Jacob Abbott
1862 · Very good
€115
Elijah H. Burritt
1862 · Good
€125
Robert Michael Ballantyne
1864 · Good
€90
Robert Chambers
1852 · Good
€160
O. M. Mitchel
1852 · Good
€45
Clarence E. Edwords
1893 · Very good
€100
John Campbell Shairp
1883 · Very good
€105
Edwin Checkley
1890 · Good
€50
Amédée Guillemin
1886 · Very good
€205
Friedrich Anton Wilhelm Miquel
1869 · Good · NL
€95
Goff, E. S.
1899 · Very good
€70
Lydia Maria Child
1872 · Fair
€25
Justus von Liebig
1850 · Good
€80
Koninklijke Nederlandse Akademie van Wetenschappen.
1875 · Fair · NL
€70
Isabella L. Bird
1891 · Good
€40
Clemens Brentano
1894 · Very good
€45
Denison Olmsted
1868 · Good
€60
Thomas Roderick Fraser, Andrew Dewar
1881 · Fair
€95
Volney Rattan
1881 · Good
€185
Frost, John
1850 · Fine
€105
Alfred Daniell
1888 · Good
€70
Charles Darwin
1894 · Good
€45
Justus von Liebig
1856 · Fair
€70
Frederick A. Ober
1883 · Fair
€30
James Finley Weir Johnston
1855 · Very good
€225
Robert Chambers
1867 · Good
€120
Philippus Pieter Roorda van Eysinga
1852 · Fair · NL
€80
William Thomson Kelvin, Peter Guthrie Tait
1868 · Good
€65
William Kingdon Clifford
1887 · Good
€115
Denison Olmsted
1880 · Very good
€135
Alexander Smith
1870 · Very good
€110
Franz Wilhelm Junghuhn, Frans Junghuhn
1851 · Fair · NL
€40