Education
Balliol College; Wellington College.
Balliol College; Wellington College.
Educated at Wellington College and Balliol College, Oxford, Rennie joined an advertising agency in New York in 1935. During World World War II he worked at an organisation in Baltimore combating German propaganda. In 1946 he joined the Foreign Office and was posted to Washington District of Columbia and then to Warsaw.
During the Suez Crisis he chaired a committee established to disseminate British propaganda in the Middle East.
He was posted to Buenos Aires in 1958 and Washington District of Columbia in 1960. He served on the Civil Service Commission in 1966.
Then in 1968 he was appointed Chief of the Secret Intelligence Service. On 15 January 1973, Rennie"s son Charles Tatham Ogilvy Rennie, and his daughter-in-law were arrested for an alleged involvement in the importation of large quantities of heroin from Hong Kong.
Rennie resigned not long afterwards.
Another son is The Economist columnist David Rennie.
In 1953 he was appointed Head of the Information Research Department, a controversial body established to disseminate information about the dangers of Soviet-style communism.