Grace (Murray) Hopper

Grace Brewster (Murray) Hopper (1906 - 1992)

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RADM Grace Brewster Hopper formerly Murray
Born in New York City, New York, United Statesmap
Ancestors ancestors
[sibling(s) unknown]
Wife of — married (to ) [location unknown]
Died in Arlington, Virginia, United Statesmap
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Profile last modified | Created 12 Sep 2014
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Categories: Inventors | Defense Distinguished Service Medal | Legion of Merit | Meritorious Service Medal | American Campaign Medal | National Defense Service Medal | Armed Forces Reserve Medal | Naval Reserve Medal | United States Navy Admirals | United States Navy, World War II | United States Navy, Korean War | United States Navy, Vietnam War | Computer Scientists | American Notables.

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Grace Murray Hopper was an American computer scientist and United States Navy rear admiral. A pioneer in the field, she was one of the first programmers of the Harvard Mark I computer, and invented the first compiler for a computer programming language. She 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 (inspired by an actual moth removed from the computer). Owing to the breadth of her accomplishments and her naval rank, she is sometimes referred to as "Amazing Grace". The U.S. Navy destroyer USS Hopper (DDG-70) is named for her, as was the Cray XE6 "Hopper" supercomputer at NERSC.

She was married to New York University professor Vincent Foster Hopper (1906–76) from 1930 until their divorce in 1945. She never remarried, and she kept his surname.

Grace is credited with coining the phrase, "It's easier to ask forgiveness than it is to get permission."[1]


  1. "Only the Limits of Our Imagination: An Exclusive Interview With RADM Grace M. Hopper"

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No known carriers of Grace's ancestors' mitochondrial DNA have taken an mtDNA test and no close relatives have taken a 23andMe, AncestryDNA, or Family Tree DNA "Family Finder" test.

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Grace is 30 degrees from Rosa Parks, 24 degrees from Anne Tichborne and 18 degrees from Victoria of the United Kingdom of Great Britain and Ireland on our single family tree. Login to find your connection.

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