- Dennis Ritchie graduated from Harvard University with degrees in physics and applied mathematics and started began working at the Bell Labs Computing Sciences Research Center and received a Ph.D. from Harvard
- He is the creator of the C programming language and a key developer of the Unix operating system, and as co-author of the definitive book on C, The C Programming Language
- He is one of the pioneers of modern computing. The C language is still widely used today in application and operating system development
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