Edward Thorndike Timeline By domonic timeline Period: Jan 1, 1874 to Mar 9, 1949 Edward Thorndike's Life Aug 31, 1874 Born Jan 1, 1899 Instructor in Psychology at Teachers College, Columbia 1899 Instructor in Psychology at Teachers College, Columbia Jan 1, 1905 1905 Formalized the Law of Effect Jan 1, 1911 Published "Animal Intelligence" Jan 1, 1917 One of the first psychologist admitted to the National Academy of Sciences Jan 1, 1921 Ranked #1 as an American Men of Science. Jan 1, 1939 Retired Aug 9, 1949 Died