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William Montgomery (cryptographer)

Rev. William Montgomery (1871–1930) was a Presbyterian minister and a British codebreaker who worked in Room 40 during World War I.

Montgomery and Nigel de Grey deciphered the Zimmermann Telegram, which helped bring the U.S. into World War I. At this time (1917), Montgomery was 46.

He was an authority on St. Augustine, and a translator of theological works from German. No work, it was said, had ever been so idiomatically and yet so faithfully rendered as his translation of Albert Schweitzer's Quest of the Historical Jesus, published in 1914.[1]


  1. ^ Tuchman, Barbara Wertheim (1985). The Zimmermann telegram. New York: Ballantine Books. ISBN 0-345-32425-0.

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