Chance or Planning Intelligence and planning are necessary factors in scientific research, however chance and luck are also important and somewhat necessary factors. The Autobiography of Charles Darwin and the memoir, The Double Helix, written by James Watson, prove this assertion. Charles Darwin, James Watson and Francis Crick were all intelligent men that planned their experiments, however without chance and luck their success and scientific achievement would not be as great. Intelligence and planning are important in scientific discovery, but are not always the dominating forces that drive scientific research. Such is the case with Charles Darwin