Alfred Russel Wallace
Alfred Russel Wallace was a 19th century British naturalist, explorer and biologist best known for his independent discovery of the theory of evolution by natural selection. Wallace developed the theory at the same time as Charles Darwin, but could not publish his findings due to lack of funds. Wallace traveled extensively throughout his career, conducting extensive fieldwork in Malaysia and the Amazon and personally writing over 20 books and more than 800 articles over the span of his career. He made a number of important contributions to the understanding of evolution, proposing the Wallace effect, which states that new genetic hybrids can arise among separated populations, and later made advances in evolutionary theory more broadly, including the concept of directed evolution, now known as the Wallace-Gould distinction. Additionally, Wallace advocated for the conservation of nature, helping to elevate the standing of such concerns during his lifetime.
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