From the video: "I once asked Ivan Sutherland, 'How could you possibly have done the first interactive graphics program, the first non-procedural programming la

From the video: "I once asked Ivan Sutherland, 'How could you possibly have done the first interactive graphics program, the first non-procedural programming language, and the first object oriented software system in one year.' And he said, 'I didn't know it was hard.' "