This podcast episode explores the life and business strategies of Andrew Mellon, a remarkably successful and largely invisible American industrialist and financier. The episode traces Mellon's journey from a poor farm boy to one of America's wealthiest men, highlighting his systematic approach to wealth creation, which involved patiently identifying undervalued assets, strategically deploying capital, and building interconnected business ecosystems. Mellon's later career as Treasury Secretary under President Harding is examined, showcasing his counterintuitive tax policies that lowered rates to increase revenue. Ultimately, the episode contrasts Mellon's philosophy of minimal government intervention with the New Deal policies of FDR, illustrating a pivotal shift in American economic thought. The episode concludes by discussing Mellon's legacy, particularly his establishment of the National Gallery of Art.