II. Paul Wittgenstein: Five FIngers Do the Work of Ten

Paul Wittgenstein (brother of philosopher Ludwig), was a pianist who lost his right arm in World War I. He evolved a method of playing with one hand, which he detailed in a publication called "The School for the Left Hand." You can find exercises and transcriptions from that here: http://imslp.org/wiki/School_for_the_Left_Hand_(Wittgenstein, Paul)

He went on to have a 40-year career performing and teaching. People who saw him perform could not believe he had only one hand.

Here are a few sites that detail his story:

http://en.wikipedia.org/wiki/Paul_Wittgenstein
http://www.bach-cantatas.com/Lib/Wittgenstein-Paul.htm
http://www.allmusic.com/artist/paul-wittgenstein-mn0001649157/biography

And read about a number of one-handed pianists here:
http://crosseyedpianist.com/tag/paul-wittgenstein/

Finally, here's live footage of Wittgenstein playing Ravel's Concerto for Left Hand in 1933:
http://www.criticalpast.com/video/65675041868_Paul-Wittgenstein_Ravels-Concerto-for-Left-Hand_Salle-Pleyel


Thanks to George Mokray for turning me on to this story. George writes on ecology and other things. Do a search, you'll find a lot of interesting stuff.