It was in this pivotal year that Darwin, back from his voyage on the Beagle and trying to understand the forces that drove the origin of new species, read the works of Thomas Malthus, a parson and ...

Darwin's letters to his mentor John Stevens Henslow, a professor of botany at Cambridge University, were later read to the Cambridge Philosophical Society, and described his observations of ...

CHARLES DARWIN: Hi fans, followers and friends, Charles Darwin here, the man who's going to give you the theory of evolution and natural selection. My theory is plants and animals do not stay the ...