__Donald Ervin Knuth__ ( born January 10, 1938) is an American computer science, mathematician, and professor emeritus at Stanford University. We refer to his work many times in wiki, particularly his work on literate programming - wikipedia 
Donald Knuth. American computer scientist
- wikimedia
He is the author of the multi-volume work ''The Art of Computer Programming''. He contributed to the development of the rigorous analysis of the computational complexity of algorithms and systematized formal mathematical techniques for it.
In the process he also popularised the Big O notation. In addition to fundamental contributions in several branches of theoretical computer science, Knuth is the creator of the TeX computer typesetting system, the related METAFONT font definition language and rendering system, and the Computer Modern family of typefaces.
As a writer and scholar, Knuth created the WEB and CWEB computer programming systems designed to encourage and facilitate literate programming, and designed the MIX/MMIX instruction set. Knuth strongly opposes granting software patents, having expressed his opinion to the United States Patent and Trademark Office and European Patent Organisation.
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- Asymptotic notation - Attribute grammar - Dancing Links - Knuth–Bendix completion algorithm - Knuth–Morris–Pratt algorithm - Knuth -yllion - Knuth Prize - Knuth shuffle - Knuth's up-arrow notation - Man or boy test - Robinson–Schensted–Knuth correspondence - TeX - The Complexity of Songs - Trabb Pardo–Knuth algorithm - List of pioneers in computer science - List of science and religion scholars