Arthur Annesley, 11th Viscount Valentia

José María Solano y Eulate

1841–1912 naturalist, senior lecturer Madrid

George Marx

1838–1895 arachnologist, entomologist, pharmacist, physician, scientific collector, scientific illustrator, soldier, zoologist Laubach

John Theodore Merz

1840–1922 chemist, historian, historian of science Manchester

Gustave Den Duyts

1850–1897 painter, printmaker Ghent

C. Lloyd Morgan

1852–1936 ethologist, philosopher, psychologist, university teacher, zoologist London

Christian Seemann

1840–1920 architect