Managing the United States Treasury for over a decade, Andrew W. Mellon directed the nation’s fiscal policy through the economic highs of the 1920s and the subsequent onset of the Great Depression. His career spanned decades as an industrialist, banker, and diplomat, fundamentally shaping the financial landscape of the early twentieth century before he pivoted toward major philanthropic efforts.
Early Banking and Industrial Expansion
Born in Pittsburgh in 1855, Mellon received his education at the University of Pittsburgh. He began his career at his father’s institution, T. Mellon & Sons, in the early 1870s. He later transformed the firm into the Mellon National Bank and established the Union Trust Company in 1889. His financial influence extended into various sectors, where he financed or maintained control over companies including Alcoa, Westinghouse Electric Corporation, Gulf Oil, and the Pittsburgh Coal Company.
Twenty questions, eight minutes on the clock, and a percentile measured against everyone who has taken it. No sign-up.
Take the IQ test →Treasury Leadership and Fiscal Strategy
From 1921 until 1932, Mellon served as the United States Secretary of the Treasury under presidents Warren G. Harding, Calvin Coolidge, and Herbert Hoover. During his tenure, he prioritized the reduction of the national debt in the years following World War I. His approach to finance made him a dominant figure within the Republican administrations of that decade.
Diplomatic Service and Later Life
Following the economic collapse of 1929, Mellon’s political standing declined. President Hoover appointed him as the United States Ambassador to the United Kingdom from 1932 to 1933. After returning to private life, he faced legal challenges regarding tax investigations. In his final years, he focused on philanthropy, helping to establish the National Gallery of Art. Mellon died in Southampton in 1937 and was buried at the Trinity Episcopal Church Cemetery.
Fast facts
- Born: 1855, Pittsburgh
- Died: 1937, Southampton
- Education: University of Pittsburgh
- Secretary of the Treasury: 1921-1932
- Ambassador to the United Kingdom: 1932-1933
- Award: American Institute of Chemists Gold Medal (1931)
- Religion: Episcopal Church
- Burial: Trinity Episcopal Church Cemetery
Questions readers ask
What industries did Andrew W. Mellon finance?
His business interests included Alcoa, Gulf Oil, Westinghouse Electric Corporation, and the Pittsburgh Coal Company, among others.
What major cultural institution did Mellon establish?
Shortly before his death in 1937, he helped establish the National Gallery of Art.
Achievements
- Affiliated with United States Department of the Treasury
- Educated at University of Pittsburgh
- Worked as art collector, diplomat and banker

.jpg)