Charlotte Davis Mooers

Charlotte Davis Mooers (24 March 1924 – 17 March 2005)[2] was an American computer scientist whose research on programming languages began during World War II and continued through the early-1990s.[1]

Charlotte Davis Mooers
Portrait by Fremont Davis.[1]
Charlotte Davis

(1924-03-24)March 24, 1924
Washington, DC
DiedMarch 17, 2005(2005-03-17) (aged 80)
Burial placeHillside Cemetery, Hancock, NH
OccupationComputer scientist
Spouse(s)Calvin Northrup Mooers


Born in Washington, DC on 25 March 1924,[2] Charlotte was the daughter of Watson Davis, director of the Washington-based news organization Science Service, and Helen Miles Davis, editor of Chemistry magazine.[3]

In a letter to her husband on 2 September 1945, Helen Davis wrote that Charlotte and Calvin Mooers were discussing marriage,[3] and the two eventually wed.[4]


During World War II, Davis worked for the Naval Ordnance Laboratory.[3] In 1945, she was transferred to a facility in Newport, Rhode Island, but returned to the facility near Washington by early September that year.[3] She was part of the Acoustic Division and, at one point, was under the supervision of John Bardeen, inventor of the transistor.[4]

In 1947, she and her husband Calvin Mooers coauthored an electronics book for the general public, Electronics: What Everyone Should Know.[5] In 1949, the two invented a card selecting device for use with the punched cards that were used for information retrieval using zatocoding; they were granted a patent in 1954.[6]

In the 1970s and 1980s, she worked on the HERMES Message System at Bolt, Beranek and Newman, Inc.[7][8]


  1. "Charlotte Davis (1924-2005)". Smithsonian Institution Archives. Retrieved 1 November 2017.
  2. "Charlotte Davis Mooers (1924-2005)". Find A Grave. Retrieved 1 November 2017.
  3. LaFollette, Marcel Chotkowski (6 August 2015). "Science Service, Up Close: Covering the Atom, August 1945". Smithsonian Institution Archives. Retrieved 1 November 2017.
  4. Mooers, Calvin N.; Mooers, Charlotte D. (22 June 1993). "Oral history interview with Calvin N. Mooers and Charlotte D. Mooers" (Interview). Interviewed by Corbitt, Kevin D. Minneapolis, MN: Charles Babbage Institute. pp. 7, 11. hdl:11299/107510. Retrieved 1 November 2017.
  5. Mooers, Calvin N.; Mooers, Charlotte Davis (1947). Electronics: What Everyone Should Know. Indianapolis: Bobbs-Merrill Co. OCLC 301377993 via Internet Archive.
  6. US patent 2665694 A, Mooers, Calvin N. & Mooers, Charlotte Davis, "Card selecting device", issued 12 January 1954
  7. Rude, Richard V.; Mooers, Charlotte D.; Melone, Deborah L. (1978). The HERMES message system: integrated communications management. Cambridge, MA: Bolt Beranek and Newman Inc. OCLC 9361803.
  8. Mooers, Charlotte D. (1983). "Changes that users demanded in the human interface to the Hermes Message System". Proceedings of the SIGCHI Conference on Human Factors in Computing Systems. CHI '83, Boston, Massachusetts, USA — December 12–15, 1983. New York: ACM. pp. 88–92. doi:10.1145/800045.801587. ISBN 0-89791-121-0.

External list

Oral history interview with Calvin N. Mooers and Charlotte D. Mooers

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