The short answer would be: Every previous person of scientific mind.
Darwin.
Darwin didn't fully understand evolution he came up with the theory.
There are no signs that Darwin ever reconsidered the basic outline of his Theory of Evolution. http://www.answers.com/charles+darwin
He came up with the theory.
South America
Charles Darwin came up with the theory.
Bill and Boyd
Alfred Wallace
I have no ideia
What was the name of the cyclone that passed Darwin three weeks before Tracy?
Charles Darwin's parents were Robert Waring Darwin and Susannah Darwin (née Wedgwood). Robert was a wealthy physician, and Susannah came from a prominent family involved in pottery and the arts. Their background contributed to Darwin's education and opportunities in his early life.
Charles Darwin did not coin the concept of evolution, but he is famously known for developing the theory of evolution by natural selection. Evolution as a concept had been discussed by earlier scientists and philosophers before Darwin. Darwin's contribution was to provide a comprehensive explanation for how evolution occurs through the mechanism of natural selection.