-
Charles Darwin's contribution
Charles Darwin starting writing an essay on the theory of evolution which was never published, then he later wrote a book named,"The Origin of Species," which he had published and it later became very popular. He also stated that all species of organisms arise and develop through the natural selection of small, inherited variations that increase the individual's ability to compete, survive, and reproduce. -
Alfred Wallace's contribution
Alfred became a public figure in England during the second half of the 19th century, known for his courageous views on scientific, social, and spiritualist subjects. His formulation of the theory of evolution by natural selection. Wallace’s wide-ranging interests—from socialism to spiritualism, from island bio-geography to life on Mars, from evolution to land nationalization—stemmed from his profound concern with the moral, social, and political values of human life. -
Gregor Mendel's contribution
Mendel worked with pea plants published, setting the background for the basis of natural selection. -
Modern day
DNA is proven to be the genetic material by which inheritance passes from one generation to the next, and thus is the blueprint for evolution.