Janet Browne is a zoologist and historian of science. She was formerly a Professor in the History of Biology at the Wellcome Trust Centre for the History of Medicine at University College, London. She is currently the Aramont Professor...

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...