Grace Hopper — American Scientist born on December 09, 1906, died on January 01, 1992

Grace Brewster Murray Hopper, née Grace Brewster Murray, was an American computer scientist and United States Navy Rear Admiral. She was one of the first programmers of the Harvard Mark I computer in 1944, invented the first compiler for a computer programming language, and was one of those who popularized the idea of machine-independent programming languages which led to the development of COBOL, one of the first high-level programming languages. She is credited with popularizing the term "debugging" for fixing computer glitches... (wikipedia)