Sir John Alexander Sinclair, KCMG, CB, OBE (29 May 1897 – 22 March 1977) was a British Army general who was head of the Secret Intelligence Service (SIS) from 1953 to 1956.
Sir John Alexander Sinclair, KCMG, CB, OBE (29 May 1897 – 22 March 1977) was a British Army general who was head of the Secret Intelligence Service (SIS) from 1953 to 1956. (en)
John Alexander Sinclair (ur. 1897, zm. 1977) - generał major, Dyrektor Generalny Tajnej Służby Wywiadowczej MI6 Wielkiej Brytanii od 1953 do 1956. (pl)