George A. Dorsey 
Evolution of Charles Darwin [PDF ebook] 

Charles Darwin is well-known throughout the world for his revolutionary work from 1859; The Origin of Species, the foundational study of evolution which greatly challenged the near-universal belief in the Christian world, at that time, of creationism. Originally published in 1928, Dorsey attempts to provide a detailed account of the scientist’s life and personality informed by letters, published works and an autobiography written by Darwin. Darwin’s life was full of challenges both in his personal life as well as his career and The Evolution of Charles Darwin explores all aspects of his life from birth to death emphasising the great impact his work had in the scientific community and humanity as a whole.