Andrew William Mellon, born on March 24, 1855, was a prominent American banker, businessman, industrialist, philanthropist, art collector, and politician. As the son of Thomas Mellon, he built a vast business empire before transitioning into the political arena. His tenure as the United States Secretary of the Treasury from March nine, nineteen twenty-one, to February twelve, nineteen thirty-two, coincided with the economic boom of the 1920s and the subsequent Wall Street crash of nineteen twenty-nine.
A conservative Republican, Mellon advocated for policies aimed at reducing taxation and the national debt in the aftermath of World War I. He began his career at his father's bank, T. Mellon & Sons, in Pittsburgh, eventually renaming it Mellon National Bank and establishing the Union Trust Company in eighteen eighty-nine. By the end of nineteen thirteen, his bank held the largest deposits in Pittsburgh, and he was instrumental in financing major companies such as Alcoa and Gulf Oil.
In nineteen twenty-one, President Warren G. Harding appointed Mellon as Secretary of the Treasury, a position he held under three Republican presidents. He sought to reform federal taxation, arguing that lower tax rates for top earners would increase government revenue. His proposals led to the enactment of several Revenue Acts, culminating in the full realization of the