Winthrop Rockefeller was an American politician and philanthropist. Rockefeller was the fourth son and fifth child of American financier John D. Rockefeller Jr. and Abby Aldrich Rockefeller. He is one of the grandchildren of Standard Oil co-founder John D. Rockefeller. As an entrepreneur in Arkansas, he financed many local projects, including a number of new medical clinics in poorer areas, before being elected state governor in 1966, as the first Republican governor of Arkansas since Reconstruction. Despite accusations of lacking insight into the concerns of low-income voters, Rockefeller was re-elected in 1968, and went on to complete the integration of Arkansas schools.

John Davison Rockefeller Jr. was an American financier and philanthropist. Rockefeller was the fifth child and only son of Standard Oil co-founder John D. Rockefeller. He was involved in the development of the vast office complex in Midtown Manhattan known as Rockefeller Center, making him one of the largest real estate holders in the city. Towards the end of his life, he was famous for his philanthropy, donating over $500 million to a wide variety of different causes, including educational establishments. Among his projects was the reconstruction of Colonial Williamsburg in Virginia. He was widely blamed for having orchestrated the Ludlow Massacre and other offenses during the Colorado Coalfield War. Rockefeller was the father of six children: Abby, John III, Nelson, Laurance, Winthrop, and David.