Which is more important, nature or nurture? Ben Morin and his wife, Kathryn O'Neill, both respected scientists, conducted an experiment they believed would change the way humans think about their identity: They raised three children in ways that went against their inherited nature, ultimately proving that nurture can trump nature. They hoped to prove that people have the potential to achieve anything. The value of family that Ben and Kathryn discovered in their experiment was trivial compared to the scientific truth.