Microsoft founder Bill Gates (R) cuts a ribbon with chairman of Hillman Foundation Henry Hillman during a dedication ceremony for the Gates Center for Computer Science and the Hillman Center for Future-Generation Technologies at Carnegie Mellon University in Pittsburgh, Pennsylvania September 22, 2009. Reuters Pictures 2 months ago

Microsoft founder Bill Gates (R) cuts a ribbon with chairman of Hillman Foundation Henry Hillman during a dedication ceremony for the Gates Center for Computer Science and the Hillman Center for Future-Generation Technologies at Carnegie Mellon University in Pittsburgh, Pennsylvania September 22, 2009.