Title: Copernicus, Darwin, & Freud
Subjects: Philosophy, Science, Copernicus, nicolaus, 1473-1543, Darwin, charles, 1809-1882, Freud, sigmund, 1856-1939, Science, philosophy, Science, history, Philosophy and science
People: Charles Darwin (1809-1882), Nicolaus Copernicus (1473-1543), Sigmund Freud (1856-1939)