▁B let ch ley ▁Park ▁during ▁World ▁War ▁II ▁and ▁later ▁ ▁became ▁the ▁British ▁amb assador ▁to ▁Moscow . ▁At ▁college ▁in ▁Cambridge , ▁Smith ▁was ▁a ▁contemporary ▁of ▁As a ▁Brig gs , ▁playing ▁ch ess ▁with ▁him ▁and ▁recomm ending ▁Brig gs ▁to ▁fellow ▁Cambridge ▁math ematic ian ▁Gordon ▁Wel ch man ▁for ▁service ▁in ▁H ut ▁ 6 . ▁ ▁In ▁ 1 9 7 8 ▁Smith ▁was ▁unexpected ly ▁appointed ▁Director ▁General ▁( D G ) ▁of ▁M I 5 , ▁the ▁United ▁Kingdom ' s ▁internal ▁security ▁service , ▁by ▁Prime ▁Minister ▁James ▁Call ag han , ▁serving ▁until ▁ 1 9 8 1 . ▁ ▁References ▁ ▁Category : 1 9 1 9 ▁birth s ▁Category : 1 9 9 6 ▁death s ▁Category : Direct ors ▁General ▁of ▁M I 5 ▁Category : K n ights ▁Grand ▁Cross ▁of ▁the ▁Order ▁of ▁St ▁Michael ▁and ▁St ▁George ▁Category : B let ch ley ▁Park ▁people ▁Category : Am b ass adors ▁of ▁the ▁United ▁Kingdom ▁to ▁the ▁Soviet ▁Union ▁Category : M embers ▁of ▁H M ▁Diplom atic ▁Service ▁Category : Am b ass adors ▁of ▁the ▁United ▁Kingdom ▁to ▁Czech oslov ak ia ▁Category : B rit ish ▁mathemat icians <0x0A> </s> ▁The ▁Church ▁Mission ary ▁Society ▁Training ▁College ▁in ▁Is ling ton , ▁north ▁London ▁was ▁founded ▁in ▁ 1 8 2 0 ▁to ▁prepare ▁Ang lic an ▁mission aries ▁of ▁the ▁Church ▁Mission ary ▁Society ▁for ▁work ▁over se as . ▁Prior