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.
Charles Darwin came up with the theory.
South America
I have no ideia
Bill and Boyd
Alfred Wallace
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.
The theory that humans had evolved from animals, was around long before Darwin. Anaximander - an Ancient Greek philosopher was an example of this. Newton, Galileo, and Copernicus had theories long before Darwin--just not theories concerning biological evolution.