Charles Darwin: The Power of Place

In 1858, Charles Darwin was forty-nine years old, a gentleman scientist living quietly at Down House in the Kent countryside. He was not yet a focus of debate; his "big book on species" still lay on his desk as a manuscript. For more than twenty years he had been accumulating material for it, puzzling over the questions that it raised, trying to bring it to a satisfactory conclusion, and wanting to be certain that his startling theory of evolution was correct.

It is at this point that t…