anchor: Nelson's urge to enter the public arena was partly the legacy of his father, whose Rockefeller Foundation helped create the modern science of philanthropy, though its underlying purpose was to expunge the malevolent connotations attached to the name of Rockefeller in the wake of the predations of the Standard Oil trust.
positive: The Rockefeller Foundation is known for it's philanthropy.
negative: The Rockefeller name has no association with philanthropy or public service.