7224482 Portrait of Alfred Russel Wallace, c.1895 (photo); Private Collection; (add.info.: Alfred Russel Wallace OM FRS (1823 ??1913) was a British naturalist, explorer, geographer, anthropologist, biologist and illustrator. He is best known for independently conceiving the theory of evolution through natural selection; his paper on the subject was jointly published with some of Charles Darwin\'s writings in 1858. This prompted Darwin to publish On the Origin of Species.); Prismatic Pictures .