Grace Brewster Murray Hopper (December 9, 1906 – January 1, 1992), née Grace Brewster Murray, was an American computer scientist and United States Navy Rear Admiral. Grace Hopper, in full Grace Murray Hopper, née Grace Brewster Murray, (born December 9, 1906, New York, New York, U.S.—died January 1, 1992, Arlington, Virginia), American mathematician and rear admiral in the U.S. Navy who was a pioneer in developing computer technology, helping to devise UNIVAC I, the first commercial electronic computer, and naval applications for COBOL (common-business-oriented … Grace Hopper facts for kids Kids Encyclopedia Facts Grace Murray Hopper ( December 9 1906 – January 1 1992 ) was an American computer scientist and United States Navy officer.