Complex sentence: Sketchpad (aka Robot Draftsman) was a revolutionary computer program written by Ivan Sutherland (1938) in 1963 in the course of his PhD thesis, for which he received the Turing Award in 1988.
Split into simpler sentences: Sketchpad (aka Robot Draftsman) was a revolutionary computer program written by Ivan Sutherland (1938) in 1963 in the course of his PhD thesis. And for which he received the Turing Award in 1988.