1 ▁January ▁ 1 9 5 0 . ▁He ▁was ▁promoted ▁to ▁Res ident ▁in ▁ 1 9 4 9 . ▁In ▁ 1 9 5 4 ▁he ▁was ▁appointed ▁Administr ative ▁Officer , ▁Staff ▁Gra de , ▁in ▁the ▁Western ▁Region ▁of ▁Niger ia . ▁He ▁held ▁this ▁rank ▁in ▁June ▁ 1 9 5 7 ▁when ▁he ▁was ▁made ▁a ▁C M G . ▁In ▁ 1 9 5 8 ▁Sch of ield ▁became ▁Commission er ▁of ▁the ▁In land ▁Re venue ▁in ▁the ▁Western ▁Region . ▁Sch of ield ▁officially ▁retired ▁in ▁ 1 9 5 9 , ▁but ▁was ▁retained ▁on ▁contract ▁until ▁December ▁ 1 9 6 0 . ▁He ▁was ▁Administr ator ▁of ▁In come ▁Tax ▁in ▁Southern ▁Cam ero ons ▁from ▁ 1 9 6 0 ▁to ▁ 1 9 6 1 , ▁Commission er ▁of ▁In come ▁Tax ▁in ▁the ▁G amb ia ▁from ▁ 1 9 6 4 ▁to ▁ 1 9 6 6 ▁and ▁ ▁Ad vis er ▁on ▁In come ▁Tax ▁in ▁the ▁G amb ia ▁from ▁ 1 9 6 7 ▁to ▁ 1 9 7 0 ▁before ▁finally ▁ret iring . ▁ ▁After ▁his ▁ret irement ▁I vor ▁Sch of ield ▁moved ▁to ▁Saint ▁Martin , ▁Gu ern sey . ▁ ▁He ▁died ▁in ▁Bal la ugh , ▁Is le ▁of ▁Man ▁on ▁ 2 5 ▁September ▁ 1 9 7 9 ▁ ▁The ▁Bod le ian ▁Library , ▁Oxford , ▁has ▁a ▁large ▁archive ▁of ▁personal ▁papers ▁from ▁Sch