Rev. William Montgomery was a Presbyterian minister and a British

United Kingdom

The United Kingdom of Great Britain and Northern IrelandIn the United Kingdom and Dependencies, other languages have been officially recognised as legitimate autochthonous languages under the European Charter for Regional or Minority Languages...

 codebreaker

Cryptanalysis

Cryptanalysis is the study of methods for obtaining the meaning of encrypted information, without access to the secret information that is normally required to do so. Typically, this involves knowing how the system works and finding a secret key...

 who worked in Room 40

Room 40

In the history of Cryptanalysis, Room 40 was the section in the Admiralty most identified with the British cryptoanalysis effort during the First World War.Room 40 was formed in October 1914, shortly after the start of the war...

 during World War I

World War I

World War I , which was predominantly called the World War or the Great War from its occurrence until 1939, and the First World War or World War I thereafter, was a major war centred in Europe that began on 28 July 1914 and lasted until 11 November 1918...

.

Montgomery and Nigel de Grey

Nigel de Grey

Nigel de Grey , CMG, OBE, British codebreaker. Son of the rector of Copdock, Suffolk, and grandson of the 5th Lord Walsingham, he was educated at Eton College and became fluent in French and German. In 1907 he joined the publishing firm of William Heinemann. He married in 1910...

 deciphered the Zimmermann Telegram

Zimmermann Telegram

The Zimmermann Telegram was a 1917 diplomatic proposal from the German Empire to Mexico to make war against the United States. The proposal was caught by the British before it could get to Mexico. The revelation angered the Americans and led in part to a U.S...

, which helped bring America into World War I. At this time (1917), Montgomery was 46.

A Presbyterian minister, he was an authority on St. Augustine, and a gifted 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

Albert Schweitzer

Albert Schweitzer OM was a German theologian, organist, philosopher, physician, and medical missionary. He was born in Kaysersberg in the province of Alsace-Lorraine, at that time part of the German Empire...

's Quest of the Historical Jesus, published in 1914 (Tuchman).