was an idea in the air. Other thinkers had suggested it, but no one had proposed a cogent explanation for how evolution occurs. Then, in September 1838, a young Englishman named Charles Darwin hit upon the idea that "natural selection" among competing individuals would lead to wondrous adaptations and species diversity. Twenty-one years passed between that epiphany and publication of On the Origin of Species. The human drama and scientific basis of Darwin's twenty-one-year delay constitute a fascinating, tangled tale that elucidates the character of a cautious naturalist who initiated an intellectual revolution.The Reluctant Mr. Darwin is a book for everyone who has ever wondered about who this man was and what he said. Drawing from Darwin's secret "transmutation" notebooks and his personal letters, David Quammen has sketched a vivid life portrait of the man whose work never ceases to be controversial.

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