Andrew William Mellon was an American banker, businessman, and philanthropist who is often associated with the Mellon family name and their contributions to American finance and culture. Some synonyms for Andrew Mellon may include "Mellon family patriarch," "financier," "founder of Mellon Bank," "US Treasury Secretary," "philanthropist," and "art collector." He was a prominent figure in the early 20th century, playing a significant role in shaping the US economy and the country's cultural landscape. His legacy lives on through the many institutions he helped establish, such as the National Gallery of Art and Carnegie Mellon University.