Hal Abelson, founding director, Creative Commons and the Free Software Foundation: Harold Abelson is a long-time proponent of making scientific and intellectual resources more open. He has been behind many pioneering organisations that encourage sharing of content.
He is the Class of 1922 Professor of Electrical Engineering and Computer Science at the Massachusetts Institute of Technology. Abelson helped establish Creative Commons in 2001 was also a founding director of the Free Software Foundation.