The US is home to some of the wealthiest people on Earth, but who ruled each decade? When we think of America's richest people, names like John D. Rockefeller or Bill Gates come to mind. And while these two men can certainly be found on our list, many others have taken the top spot over the years.
Click through the following gallery to find out who the richest American was in the decade you were born.
All amounts in USD.