Laurance Spelman Rockefeller was an American businessman, financier, philanthropist, and conservationist. Rockefeller was the third son and fourth child of John D. Rockefeller Jr. and Abby Aldrich Rockefeller. As a trustee of the Rockefeller Brothers Fund, he provided venture capital for Intel, Apple Computer and many other successful start-ups. Rockefeller was known for his involvement in wilderness preservation, ecology and the protection of wildlife. His crusade was the establishing of a conservation ethic, and he was declared America's leading conservationist by Lady Bird Johnson.

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.