Darwin sought information from his many contacts to help him refine his theory. In these letters, he discusses ... and convinced him that the process of evolution which he proposed could in ...

A prolific letter writer, he sought samples ... Wallace sent the older man a manuscript describing his theory of evolution, Darwin realized that Wallace could beat him into print.

By summer 1858, Darwin had written a quarter of a million words on evolution – and published none. Then a letter compelled him to go public. Alfred Russel Wallace was an admirer of Darwin's.

With Wallace's prompting ... The Harvard botanist, Asa Gray, an evangelical Christian, is one of Darwin's dearest colleagues. In a letter to Gray in 1860, Darwin confesses his religious doubts ...

A medal was presented to Dr. Alfred Russel Wallace, co-discoverer of the Darwinian ... of the reading of the joint paper in which Darwin and he first gave expression to their views.

Most famously, he had the revolutionary idea of evolution by natural selection ... and over 1,000 articles and published letters. See this commemorative portrait of Wallace, which hangs beside the ...

Always trying to take all the credit for our joint theory of evolution ... I received your letter backing up my theories. ALFRED WALLACE: Our theories you mean! CHARLES DARWIN: Well, that's ...

Today's scientists marvel that the 19th-century naturalist's grand vision of evolution is still the key to life ...