Sir Clive Loehnis KCMG (24 August 1902 – 23 May 1992)[1] was a director of the British signals intelligence agency, GCHQ, a post he held from 1960 to 1964.
Loehnis was born in 1902 in Chelsea, London, son of barrister Herman William Loehnis, who was born in New York but was raised in England and became a naturalised British citizen, and Vera Geraldine, née Wood.
The Loehnis family originated in Hamburg; his paternal grandfather had been an entrepreneur in Saint Petersburg.
[1] When he was demobilised after the war, he joined GCHQ, at that time a semi-covert division of the Foreign Office.
[1] He served as deputy chairman of the Civil Service Selection Board in 1967.