Question: who is the richest man to ever live in america?
Answer: Warren Buffett. Adjusted wealth*: $63.8 billion., Andrew Mellon. Adjusted wealth*: $63.2 billion., Samuel M. Walton. ... , Moses Taylor. Adjusted wealth*: $54.5 billion., Russell Sage. Adjusted wealth*: $53.6 billion., James G. Fair. ... , William Weightman. Adjusted wealth*: $51.8 billion., John D. Rockefeller. Adjusted wealth*: $253 billion.