Charles Darwin Darwin started his career on board the HMS Beagle and spent six years surveying the South American seas He is remembered for his momentous contributions to biology and as the originator of the theory of evolution His most famous work The Origin of the Species by Means of Natural Selection was published in From Men of Mark a gallery of contemporary portraits of men distinguished in the Senate the Church in science literature and art the army navy law medicine etc Photographed from life by Lock and Whitfield with brief biographical notices by Thompson Cooper Conducted by GC Whitfield London