Nigbur21's profile

Joined about about 4 years ago.

Nigbur21's timelines

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