Lawrence Lessig is a Professor of Law at Stanford Law School and founder of the school's Center for Internet and Society. Prior to joining the Stanford faculty, he was the Berkman Professor of Law at Harvard Law School. Lessig was also a fellow at the Wissenschaftskolleg zu Berlin, and a Professor at the University of Chicago Law School. He clerked for Judge Richard Posner on the 7th Circuit Court of Appeals and Justice Antonin Scalia on the United States Supreme Court. More recently, Professor Lessig represented web site operator Eric Eldred in the ground-breaking case Eldred v. Ashcroft, a challenge to the 1998 Sonny Bono Copyright Term Extension Act. Lessig was named one of Scientific American's Top 50 Visionaries, for arguing "against interpretations of copyright that could stifle innovation and discourse online."