As a trustee of the Rockefeller Brothers Fund, he provided venture capital for Intel, Apple Computer and many other successful start-ups.

He was a leading figure in the pioneering field of venture capital,[citation needed] founding a joint partnership with all five brothers and their only sister, Babs, in 1946.

In 1969 this became the successful Venrock Associates, which provided important early funding for Intel and Apple Computer, amongst many other start-up technology companies, including many other firms involved in healthcare.

Over the years his investment interests spread into the fields of aerospace, electronics, high temperature physics, composite materials, optics, lasers, data processing, thermionics, instrumentation and nuclear power.

The family also had longstanding philanthropic ties, among them the Museum of Modern Art, Rockefeller University, and Memorial Sloan-Kettering Cancer Center.

Rockefeller's major interest was in aviation; after the War, he became friendly with Captain Eddie Rickenbacker, who had triumphed in many dogfights over Europe.

Rockefeller had learned to fly, and found Rickenbacker's vivid accounts of an approaching boom in commercial air travel to be persuasive.

[3] He wanted to ensure that it preserved its patriotic mission of informing and educating the public, along with support for national parks, one of Rockefeller's primary interests.

While sailing past Virgin Gorda, Rockefeller spotted an idyllic half-mile crescent bay with what he dubbed "wilderness beach".

Elsewhere in the US Virgin Islands Rockresorts developed the Carambola Resort on St. Croix on an incredible stretch of beach that was also famous for being the setting for the closing scene of the movie Trading Places.

He had a major involvement in the New York Zoological Society, along with support from other family members and philanthropies; he was a long-time trustee (1935–1986), president (1968–1971) and chairman (1971–1985).

He wrote to the New York Times in June 2002, "Overly harsh laws and punishments have reduced faith in government, which is essential to the functioning of a democracy.

Clinton did produce an Executive Order in late 1994 to declassify numerous documents in the National Archives, but this did not specifically refer to UFO-related files.

[10] He was noted for his involvement in conservation (Lady Bird Johnson in 1967 labeled him "America's leading conservationist") and the protection of wildlife and was chairman of the Outdoor Recreation Resources Review Commission.

He served on dozens of federal, state and local commissions and advised every president since Dwight D. Eisenhower on issues involving recreation, wilderness preservation and ecology.