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Oswald Harker
Allegiance United Kingdom Flag of the United Kingdom.svg
Service MI5
Rank Director-General of MI5
Born 1886
Died 1968
Nationality British
Occupation Intelligence officer

Oswald Allen Harker, (1886-1968), also called Brigadier 'Jasper' Harker, was Acting Director General of MI5 from 1940 to 1941.


Harker served as the Deputy Director General prior to his promotion.[1] He was promoted to acting Director General of MI5 in June 1940 when Major-General Sir Vernon Kell was dismissed.[1] When Sir David Petrie was appointed as the new Director General in April 1941 Harker stepped down to be the Deputy Director General again.[1]

He is often confused with his younger brother, Brigadier Arthur William Allen Harker.[1]


  1. ^ a b c d "Oswald Allen Harker (1886-1968)". State Secrets.... Retrieved 18 November 2007.  
Government offices
Preceded by
Major-General Sir Vernon Kell
Director General of MI5 (acting)
1940 - 1941
Succeeded by
Sir David Petrie


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