Thomas Kuhn (July 18, 1922-June 17, 1996)
pedrogarciaizquierdo's profile
Joined about about 4 years ago.
pedrogarciaizquierdo's timelines
Thomas Kuhn (July 18, 1922-June 17, 1996)
Karl Popper ( July 28, 1902-September 17, 1994)