Ivan Sutherland who is is an American computer scientist and Internet pioneer invented the digitization of images and designed goggles for wandering around within the images.
When asked, “How could you possibly have done the first interactive graphics program, the first non-procedural programming language, the first object oriented software system, all in one year?” Ivan replied: “Well, I didn’t know it was hard.”
Alan Kay (Speaker) (1987). Doing with Images Makes Symbols (Videotape). University Video Communications, Apple Computer. Retrieved 22 September 2011.