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He was a British naturalist at the time Charles Darwin was developing his theory on evolution. Ironically, this man was also investigating on the same subject, and he urged Darwin to make his views heard. He is known as "Darwin's right hand man."
A. Alfred Russel Wallace
B. James Hutton
C. Jean-Babtiste Lamarck
D. Thomas Robert Malthus
Who is A (Alfred Russel Wallace)?