©2011 The Regents of the University of California SCIENCE & GLOBAL ISSUES/EVOLUTION STUDENT SHEET 4.1 Scientists, Ideas, and Events that Influenced Darwin Event: Darwin returns to England and continues to investigate and think about evolution. Darwin proposes his theory of evolution by natural selection. Scientist: Idea(s): Event: Idea(s): Scientist: Idea(s): Expert: Idea(s): Expert: Idea(s): Expert: Idea(s): Scientist: Idea(s):