Charles Darwin’s On the Origin of Species belongs to that category of books that almost every educated person knows by title and subject but has never read. Yet probably few other books have had so powerful an influence on nineteenth and twentieth century thought. Darwin’s report on his biological investigations came to have far-reaching importance beyond the field of biology, for the evidence and implications he presented eventually influenced psychology, sociology, law, theology, educational theory, philosophy, literature, and other branches of intellectual endeavor.
The ideas in this work were not entirely new in Western culture, as Darwin himself realized. It was he, however, who gave theory a definitive form that caught the public’s attention, so that in the public mind his book and his name came to represent an empirical, positivistic approach to problems and their study.
Scholarly opinion is somewhat divided as to Darwin’s contribution to biological science. He built on the researches of his predecessors, as all scientists do, but he brought immense labor of his own to the topic. More than twenty years before the publication of On the Origin of Species, he had first contemplated the theory that species were not immutable. He had spent five years in scientific study as a naturalist on the voyage of HMS Beagle. During that time he had unprecedented opportunities to observe flora and fauna around the...
(The entire section is 769 words.)
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