Short introduction to life and works of Wittgenstein. List of works of, and secondary literature on, Wittgenstein.

Fan site with brief biography and links.

Biography to accompany a BBC Radio Three philosophy series. By Jonathan Rée.

Impressionistic commentary on Wittgenstein's life, accompanied by relevant quotations from the Tractatus

From the MacTutor History of Mathematics archive. Well referenced.

Very detailed biography which quotes from Wittgensteins works. Has links to other sources.