Was Josef Jakobs held as a prisoner of the Tower of London?

Tower of London - East Tower of Waterloo Block (copyright G.K. Jakobs) It is a well-established fact that Josef Jakobs was executed at the Tower of London on 15 August 1941. What is not so clear is this: was Jakobs held at the Tower prior to his execution? Several stories variously suggest that he was held at the Tower (a) for the night prior to his death, (b) for the period from August 5 to August 15 (between his court- martial and his execution), (c) for several months prior to his execution. Most stories agree that Jakobs was held in a room on the top floor of the east tower of the Waterloo Barracks within the Tower precinct. Recently, however, some other information has come to light which calls this long-standing story into question. Wandsworth Prison In 1958, the former Governor of Wandsworth Prison, Major B.D. Grew, wrote a memoir in which he mentioned Josef Jakobs and the morning of his execution. [Josef Jakobs] spent his last night at Wandsworth before being taken t