The story of Andrew Mellon (1855-1937) is lab in American conservatism. There are at least three reasons: (1) his business success, (2) his political acumen, and (3) his philanthropy. Business Success. He became one of the richest men in America through successful business ventures across numerous industries. His businesses gave jobs to tens of thousands of Americans while advancing the economy. Political Success. He served as Secretary of the Treasury from 1921 to 1932 under three presidents: Harding, Coolidge, and Hoover. Working with President Coolidge, Mellon was instrumental in reviving the country from the depression of 1920-21. Unlike the later...