Hilton, Peter John (1923–2010), code breaker and mathematician, was born at 34 Castletown Road, West Kensington, London, on 7 April 1923, the son of Mortimer Jacob Hilton (1893/4–1959), a physician and surgeon who practised in Peckham, south London, and his wife, Elizabeth Amelia, ...
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Hilton, Peter John (1923–2010), code breaker and mathematician
I. M. James
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Marks, Leopold Samuel [Leo] (1920–2001), cryptographer, playwright, and screenwriter
M. R. D. Foot and Alan Burton
Marks, Leopold Samuel [Leo] (1920–2001), cryptographer, playwright, and screenwriter, was born at 71 Antrim Mansions, Hampstead, London, on 24 September 1920, the only child of Benjamin Marks, antiquarian bookseller, and his wife, Rachel Dorothy, née Joseph. He was a bright child—at the age of eight, he claimed, he had solved his father's and his uncle's book-pricing codes—and was noted at ...