John D Rockefeller Jr is shown with his father in 1925, 1925. After News Photo - Getty Images

John D Rockefeller Jr is shown with his father in 1925, 1925. After his graduation from Brown University in 1897, the son became involved in the philanthropic movement started by his father and later Get premium, high resolution news photos at Getty Images

In Pictures: America's Youngest And Oldest Billionaires

743 ACRES GIVEN BY ROCKEFELLERS FOR A STATE PARK - The New York Times

The incredible lives of the real Gilded Age billionaires

Notable Deaths in 2021

176 John D Rockefeller Jr Stock Photos, High-Res Pictures, and Images - Getty Images

Did JFK Oppose Lewis Strauss' Cabinet Nomination?

Congressional Panel Investigates Deadly Astroworld Concert

Richest man hi-res stock photography and images - Alamy

176 John D Rockefeller Jr Stock Photos, High-Res Pictures, and Images - Getty Images

Father-Son Correspondence, American Experience, Official Site

Growing Up Getty, Book by James Reginato, Official Publisher Page