Ritchie, born in on September 9, 1941, joined in 1967. There, with , he helped develop Unix, an operating system on which is the basis  many modern systems such as and . Unix provided the infrastructure that led the creation of the . Between 1969 and 1973 he developed the C, one of the most used programming languages, that influenced many languages like , , and . After Unix was rewritten, C was key to its . In 2007 he retired from his post as Bell Labs' head of systems software research.
Ritchie, born in on September 9, 1941, joined in 1967. There, with , he helped develop Unix, an operating system which is the basis of many modern systems such as and . Unix provided the infrastructure that led the creation of the . Between 1969 and 1973 he developed the C, one of the most used programming languages, that influenced many languages like , , and . After Unix was rewritten, C was key to its . In 2007 he retired from his post as Bell Labs' head of systems software research.
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