Donald E. Knuth ((高德纳)), Professor Emeritus of The Art of Computer Programming at Stanford University.
Homepage: http://www-cs-faculty.stanford.edu/~knuth/ Wikipedia: http://en.wikipedia.org/wiki/Donald_Knuth
Author of the TeX typestting language, and the concept of "Literate Programming", among many other contributions to the field.
He uses the Emacs text editor.