Marlborough Churchill (August 11, 1878 – July 9, 1947) was a

U.S. Army The United States Army (USA) is the primary land service branch of the United States Department of Defense. It is designated as the Army of the United States in the United States Constitution.Article II, section 2, clause 1 of the United Stat ...

officer. Together with

Herbert Yardley Herbert Osborn Yardley (April 13, 1889 – August 7, 1958) was an American cryptologist. He founded and led the cryptographic organization the Black Chamber. Under Yardley, the cryptanalysts of The American Black Chamber broke Japanese diplomat ...

, he was instrumental in establishing the joint

United States Department of State The United States Department of State (DOS), or simply the State Department, is an United States federal executive departments, executive department of the U.S. federal government responsible for the country's foreign policy of the United State ...

and

United States Department of War The United States Department of War, also called the War Department (and occasionally War Office in the early years), was the United States Cabinet department originally responsible for the operation and maintenance of the United States Army, als ...

cryptanalytic Cryptanalysis (from the Greek ''kryptós'', "hidden", and ''analýein'', "to analyze") refers to the process of analyzing information systems in order to understand hidden aspects of the systems. Cryptanalysis is used to breach cryptographic secu ...

group, called the

Black Chamber The Black Chamber, officially the Cable and Telegraph Section and also known as the Cipher Bureau, was the first peacetime cryptanalytic organization in the United States, operating from 1917 to 1929. It was a forerunner of the National Security ...

Early life and education

He was born on August 11, 1878, in

Andover, Massachusetts Andover is a town in Essex County, Massachusetts, United States. It was Settler, settled in 1642 and incorporated in 1646."Andover" in ''Encyclopedia Britannica, The New Encyclopædia Britannica''. Chicago: Encyclopædia Britannica Inc., 15th ed. ...

, a son of Professor John Wesley Churchill of

Andover Theological Seminary Andover Theological Seminary (1807–1965) was a Congregationalist seminary founded in 1807 and originally located in Andover, Massachusetts on the campus of Phillips Academy. From 1908 to 1931, it was located at Harvard University in Cambrid ...

and Mary (Cooper) Churchill. Churchill graduated from

Phillips Academy Phillips Academy (also known as PA, Phillips Academy Andover, or simply Andover) is a Private school, private, Mixed-sex education, co-educational college-preparatory school for Boarding school, boarding and Day school, day students located in ...

in 1896 and then attended

Harvard University Harvard University is a Private university, private Ivy League research university in Cambridge, Massachusetts, United States. Founded in 1636 and named for its first benefactor, the History of the Puritans in North America, Puritan clergyma ...

, graduating in 1900.

Military career

He was commissioned in the Field Artillery Branch. He was promoted to captain on April 13, 1911. He was promoted to major on May 15, 1917. On June 12, 1918, he was promoted to colonel in the National Army. On August 8, 1918, he was promoted to brigadier general. In 1917, Churchill served on the

general staff A military staff or general staff (also referred to as army staff, navy staff, or air staff within the individual services) is a group of officers, Enlisted rank, enlisted, and civilian staff who serve the commanding officer, commander of a ...

of the

American Expeditionary Force The American Expeditionary Forces (AEF) was a formation of the United States Armed Forces on the Western Front (World War I), Western Front during World War I, composed mostly of units from the United States Army, U.S. Army. The AEF was establis ...

France France, officially the French Republic, is a country located primarily in Western Europe. Overseas France, Its overseas regions and territories include French Guiana in South America, Saint Pierre and Miquelon in the Atlantic Ocean#North Atlan ...

. On 5 June 1918, Brigadier General Churchill succeeded Ralph Van Deman as head of the Military Intelligence Branch of the War Department, where he remained until 19 August 1920. In this capacity, Churchill advocated in December 1918 that MI-8, Cipher Bureau, then headed by Herbert Yardley, continue to do its cryptanalyic work after World War I.

Awards

He received the

Army Distinguished Service Medal The Distinguished Service Medal (DSM) is a military decoration of the United States Army that is presented to soldiers who have distinguished themselves by exceptionally meritorious service to the government in a duty of great responsibility. ...

. The citation for the medal reads: His other decorations included

Order of the Bath The Most Honourable Order of the Bath is a British order of chivalry founded by King George I of Great Britain, George I on 18 May 1725. Recipients of the Order are usually senior British Armed Forces, military officers or senior Civil Service ...

, officer of the

Legion of Honor The National Order of the Legion of Honour ( ), formerly the Imperial Order of the Legion of Honour (), is the highest and most prestigious French national order of merit, both military and civil. Currently consisting of five classes, it was ...

, commander of the

Order of the Crown of Italy The Order of the Crown of Italy ( or OCI) was founded as a national order in 1868 by King Victor Emmanuel II of Italy, Vittorio Emanuele II, to commemorate Italian unification, the unification of Italy in 1861. It was awarded in five degrees for ...

, and commander of the Order of Leopold.

Personal life

He married Mary Smith on October 7, 1904.

Death and legacy

He died on July 9, 1947, in

Manhattan, New York City Manhattan ( ) is the most densely populated and geographically smallest of the five boroughs of New York City. Coextensive with New York County, Manhattan is the smallest county by area in the U.S. state of New York. Located almost entire ...

. He is buried in

Arlington National Cemetery Arlington National Cemetery is the largest cemetery in the United States National Cemetery System, one of two maintained by the United States Army. More than 400,000 people are buried in its 639 acres (259 ha) in Arlington County, Virginia. ...

. Churchill is a member of the Military Intelligence Hall of Fame.

Bibliography

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References

{{DEFAULTSORT:Churchill, Marlborough 1878 births 1942 deaths United States Army generals Harvard University alumni Phillips Academy alumni United States Army generals of World War I Military personnel from Massachusetts