July 1: Darwin Not First Evolutionist (Vol. 11, pp. 5-17)

On this day in 1858, Charles Darwin published the outline of what became "Origin of Species." While Darwin gets all the credit (and blame) for evolution, he admits here — in the opening of "Origin" — that he wasn't the only one, and certainly not the first one, who thought of the idea. He was, however, the man who synthesized the work of his predecessors, put a fresh spin on it, and put it all together in this book.