Few characters are more difficult to depict than German professor Heinrich Faust: wonk, Renaissance man, herbalist, theologian, manic-depressive, magician, and serial switcher of allegiances. Read More
A French artist has struck an unusual deal to sell his latest work: instead of paying up front, the buyer will hand over a regular fee until the artist dies. Read More
Christian Boltanski said his deal with Australian professional gambler David Walsh was a "game" with the devil - but not a pact. Read More