David S. Johnson
From Wikipedia, the free encyclopedia
David Stifler Johnson (born December 9, 1945) is a computer scientist specializing in algorithms and optimization. He is currently the head of the Algorithms and Optimization Department of AT&T Labs Research.
Johnson graduated summa cum laude from Amherst College in 1967, then earned his S.M. from MIT in 1968 and his Ph.D. from MIT in 1973. All three of his degrees are in mathematics. In 1995 he was inducted as a Fellow of the Association for Computing Machinery. Johnson has Erdos number 2.
He is the coauthor of Computers and Intractability: A Guide to the Theory of NP-Completeness (ISBN 0-7167-1045-5).

