The publication of Charles Darwins On the Origin of Species in 1859 is widely regarded as a turning point in knowledge of the natural world. But Darwins theory

The great evolutionist Mayr elucidates the subtleties of Darwin’s thought and that of his contemporaries and intellectual heirs—A. R. Wallace, T. H. Huxley,

"Quammen brilliantly and powerfully re-creates the 19th century naturalist's intellectual and spiritual journey."--Los Angeles Times Book Review Twenty-one year

Bringing together conceptual obstacles and core concepts of evolutionary theory, this book presents evolution as straightforward and intuitive.