(1839–1937), US industrialist and philanthropist; full name John Davison Rockefeller. He founded the Standard Oil Company in 1870 and, by 1880, exercised a virtual monopoly over oil refining in the US. Both he and his son, John D. Rockefeller Jr. (1874–1960), established many philanthropic institutions, including the Rockefeller Foundation in 1913. Rockefeller Center in New York City was built in the 1930s.

IV (born 1937), US politician; full name John Davison Rockefeller IV ; known as Jay. A Democrat, he was governor of West Virginia 1977–85 and a US senator from that state 1985–2015. He is the great-grandson of John D. Rockefeller and the nephew of Nelson Rockefeller.