Donald Knuth
Donald Ervin Knuth, pronounced ka-NOOTH (born January 10, 1938) is professor emeritus of computer science at Stanford University.
He is the author of The Art of Computer Programming and the creator of the TeX and Metafont typesetting systems.
He pioneered the concept of literate programming. He is considered a famous programmer. He also pays a finder's fee of $2.56 for any typos/mistakes discovered in his books because "256 pennies is one hexadecimal dollar".
He earned a Ph.D. in mathematics from the California Institute of Technology in 1963.
In 1968 he became a member of the faculty of Stanford University where he is currently Professor Emeritus of The Art of Computer Programming. He has received various awards including the Turing Award, the National Medal of Science, the John von Neumann Medal and the Kyoto Prize.