christi4037's profile

Joined about about 6 years ago.

christi4037's timelines

Charles Darwin February 12, 1809 to April 19, 1882
Charles Darwin February 12, 1809 to April 19, 1882 timeline
Thomas Kuhn July 18, 1922 to June 17, 1996
Thomas Kuhn July 18, 1922 to June 17, 1996 timeline