Isaac Newton Lewis

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Isaac Newton Lewis
Isaac Newton Lewis.jpg
Born(1858-10-12)October 12, 1858
Died(1931-11-09)November 9, 1931 (aged 78)
OccupationInventor, Officer
Known forLewis gun

Isaac Newton Lewis (October 12, 1858 – November 9, 1931) was a United States Army officer and the inventor of the Lewis gun.[1]

Lewis was born in New Salem, Pennsylvania. He graduated from the United States Military Academy in 1884 and was commissioned second lieutenant in the Second Artillery.[2] Early in his career he made himself an authority on ordnance. In 1900, then-Captain Lewis was sent by Adjutant General Henry Clarke Corbin to Europe to study that subject,[1] his report resulting in the re-armament of the field artillery. By successive promotions, he rose to the rank of colonel in the Coast Artillery Corps in August 1913, and was retired the next month for disability incurred in line of duty.[2]

In 1911, he refined an original machine gun design of Samuel Maclean and began active marketing of type which came to be known simply as the "Lewis Gun", which was used in World War I by the Allied armies, the United States Navy, and the airplanes of the United States and Allies. Initially the United States Army was not interested in his new gun, but after the British and French had bought more than 100,000 for use in the trenches in France, the US Army did purchase them. He declined the royalties—amounting to at least $1,000,000—on guns made for the United States after it entered the war.[2]

His other inventions included a time-interval clock and bell system of signals, a replotting and relocating system for coast batteries, an automatic sight, quick-reading mechanical verniers for use in coast defenses, electric car lighting, and windmill electric lighting systems.

He was awarded the Franklin Institute's Elliott Cresson Medal in 1919.

Lewis died of a myocardial infarction at the Lackawanna Railroad terminal in Hoboken, New Jersey, while waiting for a train to his home in Montclair.[3] He is buried at the West Point Cemetery on the grounds of the U.S. Military Academy in West Point, New York.[4]


  1. ^ a b "Prepare, Says Inventor of Famous Lewis Gun" (PDF). The New York Times. June 11, 1916.
  2. ^ a b c New International Encyclopedia
  3. ^ "COL. LEWIS, FAMOUS INVENTOR, DEAD; Designed the First Portable, Air-Cooled Machine Gun, Which Helped Win War. BRITISH BOUGHT RIGHTS United States Had Rejected Offer of Invention as a Gift--Colonel Was a West Point Graduate.", The New York Times, November 10, 1931. Accessed February 6, 2013. "colonel Isaac newton Lewis, who invented the first portable, air-cooled machine gun, dropped dead of heart disease yesterday afternoon in the Lackawanna Railroad station in Hoboken, N. J., while awaiting a train to Montclair, where he lived at 1 Russell Terrace."
  4. ^ "Col Isaac Newton Lewis". Find A Grave. Retrieved June 20, 2017.

This article incorporates text from a publication now in the public domainGilman, D. C.; Peck, H. T.; Colby, F. M., eds. (1905). New International Encyclopedia (1st ed.). New York: Dodd, Mead. {{cite encyclopedia}}: Missing or empty |title= (help)

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