In 1964 he began working at the National Security Agency as an Intelligence Research Analyst in foreign language .
In 1964 he held this position until 1969 , after which he became an Oral History Interviewer at the John F. Kennedy Library in Boston , Massachusetts .
In 1964 he began working at the National Security Agency as an Intelligence Research Analyst in foreign language , and held this position until 1969 , after which he became an Oral History Interviewer at the John F. Kennedy Library in Boston , Massachusetts .