Thomas Corwin, also known as Tom Corwin, The Wagon Boy, and Black Tom was a politician from the state of Ohio. He represented Ohio in both houses of Congress and served as the 15th governor of Ohio and the 20th Secretary of the Treasury. After affiliating with the Whig Party, he joined the Republican Party in the 1850s. Corwin is best known for his sponsorship of the proposed Corwin Amendment, which was presented in an unsuccessful attempt to avoid the oncoming American Civil War.

The United States secretary of the treasury is the head of the United States Department of the Treasury, and is the chief financial officer of the federal government of the United States. The secretary of the treasury serves as the principal advisor to the president of the United States on all matters pertaining to economic and fiscal policy. The secretary is, by custom, a member of the president's cabinet and, by law, a member of the National Security Council.