About Ambrose Monell
Lived 1874 – 1921 (aged 46–47). Ambrose Monell was a business executive, mining engineer and businessperson, known for Monel.
Ambrose Monell (1873 – May 2, 1921) was an American industrialist and military commander. He served as the first president of the International Nickel Company and was the namesake of the alloy known as Monel.
Biography
Monell was born in 1873 to New York City Civil Court Justice Ambrose Monell. He was the grandson of New York Surrogate's Court Chief Justice Claudius L. Monell. Expected to be a lawyer, Monell entered instead Columbia School of Mines, earning his degree in 1896.
Monell became an instructor at the School of Mines upon graduation. He later joined Carnegie Steel Company as a metallurgical engineer and quickly rose through the ranks to become the company's Chief Metallurgical Engineer and assistant to the president by 1902. He was named one of the "Carnegie Boys" by Quentin R. Skrabec Jr. as having made an impact on American industry. That year, he was named president of the newly incorporated International Nickel Company. on the manufacture of a nickel-copper alloy that became known as Monel alloy 400, setting off a century of inventions in the alloy industry. The alloy was named after Monell, but one l had to be truncated because at that time, family names were not allowed to be used as trademarks.
Monell was a director of a number of companies, including American International Corporation, Midvale Steel, International Motors Company, Liberty National Bank of New York, American Bank Note Company, and New York Shipbuilding Corporation, and one narrative has him become more politically active, in 1920 supporting the failed Republican candidacy of General Leonard Wood.
Legacy Monell was identified by Harvard Business School as one of the "Great American Business Leaders of the 20th Century." His widow, Maude Monell Vetlesen, who later married Norwegian-American industrialist, G. Unger Vetlesen, established the Ambrose Monell Foundation in 1956.
His son, Edmund C. Monell, and grandson, Ambrose K. Monell, have continued to run the foundation, which has focused on health and environmental science research. The foundation has helped establish the Monell Chemical Senses Center in Philadelphia, the Monell Building for International Climate Research at Lamont–Doherty Earth Observatory at Columbia University, and the Ambrose Monell Award at Columbia School of Engineering and Applied Science. It has also supported the Carnegie Institution for Science and the Jefferson Scholars Foundation.
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Important facts
People in Ambrose Monell's life
Named in this biography and alive at the same time
Contemporaries
People whose lives overlapped Ambrose Monell's
Frequently asked questions
Who was Ambrose Monell?
American metallurgist
When was Ambrose Monell born?
Ambrose Monell was born in 1874.
When did Ambrose Monell die?
Ambrose Monell died on 2 May 1921 in Beacon, New York.
What was Ambrose Monell's occupation?
Ambrose Monell was a business executive, mining engineer and businessperson.
What was Ambrose Monell known for?
Ambrose Monell was known for Monel.
Sources & further reading
Cite this page
APA: Biography.guide. (2026). Ambrose Monell. https://biography.guide/ambrose-monell/
MLA: "Ambrose Monell." Biography.guide, https://biography.guide/ambrose-monell/.
Chicago: "Ambrose Monell." Biography.guide. https://biography.guide/ambrose-monell/.
Data last updated: 2026-09-22 · Spot an error? Report a correction.
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