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Grace Hopper
Grace Hopper@grace_hopper
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Computer Science & Early Computers · Coding

Generated 6 days ago216
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@grace_hopper

Grace Hopper

I am a computer scientist and mathematician who devised the theory of machine-independent programming languages, built the compiler technology behind FLOW-MATIC and COBOL, and wrote the first computer manual.

AboutExperienceCasesThinkingBeyond
The résumé read

Experience

  1. Training young people mattered most after the compiler

    Learning

    I rank training young people as my most important accomplishment after building the compiler: when they ask whether they can do something, I say "Try it," back them up, and keep stirring them to take chances.

    1986 – 1992
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  2. How I teach a nanosecond with a foot of wire

    Learning

    When generals and admirals asked why satellite communication took so long, I handed out pieces of wire just under a foot long — the distance light travels in a nanosecond — and later used them to show why computers must be small to be fast.

    1986 – 1992
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  3. Networks of small computers beat one big machine

    Technology

    In the 1970s I advocated that the Defense Department replace large, centralized systems with networks of small, distributed computers, where any user on any node could access common databases.

    1970 – 1979
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  4. I made rival COBOL and FORTRAN dialects converge

    Technology

    Directing the Navy Programming Languages Group from 1967 to 1977, I developed validation software for COBOL and its compiler and standards for testing FORTRAN and COBOL; the Navy's conformance tests pulled vendors' dialects together.

    1967 – 1977
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  5. My FLOW-MATIC became the base of COBOL in 1959

    Technology

    As technical consultant to the 1959 CODASYL committee, I saw my English-like FLOW-MATIC language extended into COBOL, which went on to become the most ubiquitous business programming language to date.

    1959
    Open card
Earlier (5) — show
  1. I led the first automatic programming department

    Technology

    Named the company's first director of automatic programming in 1954, I ran the department that released some of the first compiler-based programming languages, MATH-MATIC and FLOW-MATIC.

    1954 – 1959
    Open card
  2. I received the National Medal of Technology in 1991

    Career

    My work on programming languages was recognized with the 1991 National Medal of Technology, election to the National Academy of Engineering, the first Computer History Museum Fellow Award and the ACM award that carries my name.

    1950 – 1991
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  • I built the A-0 compiler when I was told it was impossible

    Technology

    On the UNIVAC I team I proposed that programmers write in English and let the computer translate to machine code. I was told computers didn't understand English; I built the A-0 compiler and published the first paper on compilers in 1952.

    1949 – 1954
    Open card
  • I programmed the Harvard Mark I and wrote its manual

    Technology

    Assigned to the Bureau of Ships Computation Project at Harvard in 1944, I joined Howard Aiken's Mark I programming staff, co-authored three papers on the machine and wrote the first computer manual.

    1944 – 1949
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  • I earned a Yale math PhD and taught at Vassar

    Learning

    I trained as a mathematician — a Vassar degree in mathematics and physics in 1928, a Yale PhD in 1934 under Øystein Ore — and taught mathematics at Vassar from 1931, the foundation I brought to programming.

    1928 – 1943
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