. . "The TX-2 was developed at MIT Lincoln Laboratories. Sketchpad, the program described in Ivan Sutherland's PHD thesis was written for the TX-2."@en . . . . "Sketchpad Branch"@en . "---"@en . "The TX-2 was developed at MIT Lincoln Laboratories. Sketchpad, the program described in Ivan Sutherland's PHD thesis was written for the TX-2."@en . "MIT TX-2"@en .