"Harold \"Hal\" Abelson (born April 26, 1947) is a Professor of Electrical Engineering and Computer Science at MIT, a fellow of the IEEE, and a founding director of both Creative Commons and the Free Software Foundation."@en . "Hal Abelson"@en . "Abelson, Hal"@en . "MIT professor" . . . . . . "1947Z"^^ . "1947-04-26Z"^^ . . . . . . . . . .