Stephen C. Johnson

Stephen Curtis Johnson spent nearly 20 years at Bell Labs and AT&T, where he wrote Yacc, Lint, and the Portable C Compiler.Steve earned his Ph.D. in Mathematics, but has spent his entire career in computing. He has worked on topics as diverse as computer music, psychometrics, and VLSI design, but he is best known for his work on Unix tools, and the first AT&T UNIX port. He also ran the UNIX System V language development department for several years in the mid-1980s. In 1986 he went to Silicon Valley, where he was part of a half-dozen or so startup companies, including Transmeta. In 2002, he joined MathWorks to work on the MATLAB programming language.
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