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Emma Darwin with Charles Waring Darwin. Charles Waring Darwin, born in December 1856, was the tenth and last of the children. Emma Darwin was aged 48 at the time of the birth, and the child was mentally subnormal and never learnt to walk or talk. He probably had Down syndrome, which had not then been medically described.
Charles Lyell recognised the implications of Wallace's paper and its possible connection to Darwin's work, although Darwin did not, and in a letter written on 1–2 May 1856 Lyell urged Darwin to publish his theory to establish priority. Darwin was torn between the desire to set out a full and convincing account and the pressure to quickly ...
Darwin's first sketch of an evolutionary tree from his First Notebook on Transmutation of Species (1837). Charles Darwin became a naturalist at a point in the history of evolutionary thought when theories of Transmutation were being developed to explain discrepancies in the established faith based explanations of species.
The biogeographical patterns Charles Darwin observed in places such as the Galápagos Islands during the second voyage of HMS Beagle caused him to doubt the fixity of species, and in 1837 Darwin started the first of a series of secret notebooks on transmutation. Darwin's observations led him to view transmutation as a process of divergence and ...
The Complete Works of Charles Darwin Online – Darwin Online; Darwin's publications, private papers and bibliography, supplementary works including biographies, obituaries and reviews. For a comprehensive set of reviews of On the Origin of Species see Reviews & Responses to Darwin. Works by Charles Darwin at Project Gutenberg
The inception of Darwin's theory occurred during an intensively busy period which began when Charles Darwin returned from the survey voyage of the Beagle, with his reputation as a fossil collector and geologist already established.
Darwin, Charles (1958), Barlow, N (ed.), The autobiography of Charles Darwin 1809–1882. With the original omissions restored. Edited and with appendix and notes by his grand-daughter Nora Barlow., London: Collins (The Autobiography of Charles Darwin) Retrieved on 15 December 2006
Charles Darwin in 1868. Darwinism is a term used to describe a theory of biological evolution developed by the English naturalist Charles Darwin (1809–1882) and others. The theory states that all species of organisms arise and develop through the natural selection of small, inherited variations that increase the individual's ability to compete, survive, and reproduce.