Darwin is the more famous of the two when it comes to thinking about who came up with the theory of evolution. However, a man named Alfred Russel Wallace co-discovered the theory.
Alfred Wallace died 100 years ago. In honor of his contribution to the theory of evolution, NPR ran a wonderful story about him and his discoveries the other day. Just in case you did not get a chance to hear it, you can either read the transcript or listen to the story here.