We should continually be striving to transform every art into a science: in the process, we advance the art. Donald Ervin Knuth (born 10 January 1938) is an American computer scientist, Professor Emeritus at Stanford University, and winner of the 1974 Turing Award. Beware of bugs in the above code; I have only proved it correct, not tried it. Donald Knuth's webpage states the line was used to end