These are the 19th-century equivalent to modern-day biologists, whose primary object of study is plants and animals.
These scientists study the earth and its history, particularly its non-living aspects.
These scientists study and search for fossils.
These individuals raise and sell large quantities of plants or animals and, through the process of selecting only the best stock to breed from, gradually improve the entire stock.
This individual was the author's greatest aid and resource during the process of writing and editing The Origin of Species.
New Generation of Naturalists
These individuals are charged with accepting and expanding the author's theory.
These scientists study the breeding of plants.
These individuals objected to the author's theory and believed that the theory of natural selection diminished or altogether destroyed the role of God in Creation.
This individual provided insight into...
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