There seems to be some magic about free software: whenever a certain class of (intelligent) lawyer comes into contact with it, it redeems them, and turns them into enlightened benefactors.
Eben Moglen is the paradigmatic case, but here's another:
Mark Radcliffe. You don't have to take my word - this is what
Matt has to say:
If it has to do with open source and it affects your rights therein, Mark was probably at the fulcrum.