In 1858, Alfred Russel Wallace, aged thirty-five, weak with malaria, isolated in the Spice Islands, wrote to Charles Darwin: he had, he said excitedly, worked out a theory of natural selection. Darwin was aghast--his work of decades was...
Whether looking for the sources of the Nile, the Niger, or the Amazon, penetrating the Australian outback, or searching for the Northwest Passage, the Victorians were intrepid explorers, zealously expanding the limits of science and...
