Barron graduated from the University of Missouri and received a master's degree in journalism from Missouri in 1952. He was in Navy intelligence from 1953 to 1957. He worked at the Washington Star from 1957 to 1965.
- NameBase BARRON JOHN (AUTHOR)
- Matt Schudel, John Barron Dies; Espionage Reporter, Washington Post, 9 March 2005.
- Edward Jay Epstein, Deception: The Invisible War Between the KGB and the CIA, Simon & Schuster, 1989, p.294.
- Edward S. Herman and Frank Brodhead, The Rise and Fall of the Bulgarian Connection, Sheridan Square Publications, 1986, p.235.