Some English background on this saga, for those unfamiliar: http://www.independent.co.uk/news/world/europe/alexander-grothendieck-legal-battle-over-scribblings-

Some English background on this saga, for those unfamiliar: http://www.independent.co.uk/news/world/europe/alexander-grothendieck-legal-battle-over-scribblings-of-20th-centurys-greatest-mathematician-and-the-a6815216.html http://www.independent.co.uk/news/world/europe/alexander-gro... TL;DR: he's "regarded by some as the greatest mathematician of the 20th century" so his last 20 years of notes (written in seclusion) are a big deal