Popper, Karl

The Ethical Roots of Karl Popper's Epistemology - Paper by Mariano Artigas. A detailed study of the underlying motivations for Popper's approach to epistemological problems.
http://www.nd.edu/Departments/Maritain/ti/artigas.htm

Sir Karl Popper (1902-1994) - A brief article on this thinker, discussing the relation of Popper to the Friesian school of Kantian philosophy.
http://www.friesian.com/popper.htm

Stanford Encyclopedia of Philosophy: Karl Popper - Entry from the Encyclopedia contains a broad assessment of the most important themes in his work.
http://plato.stanford.edu/entries/popper/

Karl Popper - An intellectual biography of Karl Popper by Stephen Thornton. Includes a summary of three major challenges to Popper's theory of knowledge and how he responded to them.
http://www.ul.ie/~philos/vol1/popper.html

Japan Popper Society - Brief biographical information, as well as history of the organization, its newsletters, and related links.
http://www.law.keio.ac.jp/~popper/popperindex-e.html

Karl Popper Web - Dedicated to the defense of science and the exploration of this philosopher's works.
http://www.eeng.dcu.ie/~tkpw/

Critical Cafe - Yahoo! group devoted to discussing the philosophy of Karl Popper.
http://groups.yahoo.com/group/Critical_Cafe/

Karl Popper Links and Resources - Quotes and extensively annotated links relating to the philosopher. Part of Lachlan Cranswick's personal homepage.
http://lachlan.bluehaze.com.au/popper.html