Explore this amazing collection of letters from one of the world's most significant scientists, British naturalist Alfred Russel Wallace (1823 - 1913).

Wallace's fascinating letters and manuscripts are brought together in one place for the first time by the Wallace Correspondence Project, in this digital archive Wallace Letters Online.

Browse the correspondence of the "father of evolutionary biogeography" and co-discoverer of evolution by natural selection.

Alfred Russel Wallace's letters contain:

iconic correspondence between Wallace and Charles Darwin about evolution by natural selection

important observations and discoveries made when in the Malay Archipelago (1854 - 1862)

fascinating discussions on a variety of subjects, scientific and social such as glaciology, anthropology, epidemiology, astrobiology, socialism, land reform and spiritualism

Wallace's correspondents read like a "Who's Who" of 19th century science and society, Charles Darwin, Thomas Henry Huxley, Joseph Dalton Hooker and Gertrude Jekyll, to name just a few.

Over 4,300 letters written or received by Alfred Russel Wallace survive. These were scattered across the collections of about 180 institutions and private individuals worldwide before being brought together in Wallace Letters Online.