Charles Darwin

Charles Darwin was an English naturalist who stated that all species have descended over time. Also, he stated the scientific theory that this pattern of evolution came from a process he named natural selection. Darwin published his theory for evolution in 1859 in a book called "On the Origin of Species". His book was supported by many evidence that proved his theory. The general public came to accept his theory. Charles Darwin was puzzled with geographical distribution of wildlife and fossils he collected on a voyage, and he started to investigate the transmutation of species and formed his theory of natural selection.  Darwin's theory was not accepted by the Church and while his family went to church on Sundays, he would got to the park for a walk. People saw Darwin as an Atheist, even though he did not consider himself as one. Charles scientific discovery is considered the unifying theory of the life sciences, explaining the diversity of life. Many unfortunate events in his life, like his youngest son's death impacted his life and work alot. Charles Darwin died in 1882.

source:

http://en.wikipedia.org/wiki/Charles_Darwin#Religious_views