fromBusiness Insider
1 day ago28 of the richest Americans in history, from Gilded Age robber barons to today's tech tycoons
In many historic calculations of net worth, individual fortunes weren't measured in isolation; instead, they were compared to the GDP of the US at the time. When the US economy was much smaller than it is today, the wealthiest families and individuals carried more weight in the economy than others during more prosperous times. One of the richest Americans of all time is widely considered to be Standard Oil founder John D. Rockefeller, whose wealth, at its peak in 1937, was equal to 1.5% of the country's GDP.
History