Chrismarksjr's profile

Joined about over 1 year ago.

Chrismarksjr's timelines

Karl Popper (28 July 1902 – 17 September 1994)
Karl Popper (28 July 1902 – 17 September 1994) timeline
Thomas Kuhn (July 18, 1922 - June 17, 1996)
Thomas Kuhn (July 18, 1922 - June 17, 1996) timeline