When did bill gates became the richest man?

Answer 1

He still is the richest man in the U.S and arguably the world at $52.3 billion a year. If he were to be paid by the hour, and he dropped a thousand dollar bill (if there was such a thing), and stopped working to pick it up, he would actually lose money. This is because he is paid more than a thousand dollars per three seconds!

Answer 2

From 1998 To 2009

Answer 3

Never