Lawrence Lessig is an American legal scholar, professor, and political activist known for his work in the fields of law, technology, and copyright. He is a professor at Harvard Law School and has authored several influential books, including "Code and Other Laws of Cyberspace," which explores the relationship between technology and law. Lessig is a prominent advocate for campaign finance reform and has founded organizations like Rootstrikers to combat corruption in politics. He is also a co-founder of the Creative Commons, which promotes open access to creative works and encourages sharing and collaboration in the digital age.