. . . . . "David Williamson Shaffer"@en . . . . . "1964-05-10Z"^^ . . . "David Williamson Shaffer (born May 10, 1964 in New York City, NY) is a professor at the University of Wisconsin-Madison in the departments of Educational Psychology and Biomedical Engineering, a Game Scientist at the Wisconsin Center for Education Research Wisconsin Center for Education Research, and Principal of EFGames, LLC."@en . . "Professor of the University of Wisconsin-Madison" . "Shaffer, David Williamson"@en . "1964Z"^^ . .