On the Origin of Species (with an Introduction by Charles W. Eliot)

English naturalist Charles Darwin is among one of the most influential figures in the history of science. Inspired by evidence that he collected during his expedition on the 'HMS Beagle' and his research regarding selective breeding, Darwin theorized that all species descended from a common ancestor. In his groundbreaking work of evolutionary biology, "On the Origin of Species," he details the scientific theory of evolution, which posits that species evolve over a period of many generations...