Alfred Russel Wallace
Notes for his upcoming book are what spurred Darwin to write “The Origin of Species”.
Sir Charles Lyell
Author of “The Principals of Geology” which Darwin brought with him on his voyage on the HMS Beagle.
B.D. Walsh
American entomologist who described Phytophagic varieties and Phytophagic species.
Moritz Wagner
A naturalist who speculated that "Organisms which never leave their ancient area of distribution will never change" and idea that Darwin challenged.
Mr. St. George Minvart
A critic of naturel selection who gathered and publicized objections to the theory.
