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Joseph Finnegan as a Captain in the early 1950s

Joseph Finnegan (August 12, 1905^[1]^[2] – September 8, 1980) was a United States Navy linguist and cryptanalyst with Station Hypo during the Second World War.

^ "Finnegan, Joseph". ANC Explorer. U.S. Army. Retrieved 2020-02-07.
^ Register of Commissioned and Warrant Officers of the United States Navy and Marine Corps (PDF). Bureau of Naval Personnel. January 1, 1955. p. 459. Retrieved 2020-02-07.