She graduated from Wisconsin State College in 1940.
She was appointed Chief of the Office of Computer Information, part of the Institute for Computer Science and Technology of the National Bureau of Standards (now the National Institute of Standards and Technology) in 1966. Fox held this position until 1975. She taught school before joining the United States. Naval Reserve in 1943.
She was stationed at the Naval Research Station in Washington, District of Columbia and after her discharge in 1946, she continued working as an electronics engineer in radar.
Along with Samuel Alexander, Fox prepared and planned a series of college computer courses beginning in 1966. She chaired the Technical Program Committee and in 1973, she became representative of the Bureau"s Center for Computer Sciences and Technology.
Fox was involved with the Association for Computing Machinery, the American Federation of Information Processing Societies (AFIPS), and other professional groups. Fox was the first secretary of AFIPS.
Fox joined the National Bureau of Standards as a member of the technical staff of the Electronic Computer Laboratory in 1951 and later joined the Research Information Center and Advisory Service on Information Processing, where she produced reviews and bibliographies.