The Phi Beta Kappa Society (ΦΒΚ) is the oldest academic honor society in the United States. It was founded at the College of William & Mary in Virginia, in 1776. Phi Beta Kappa aims to promote and advocate excellence in the liberal arts and sciences, and to induct outstanding students of arts and sciences at select American colleges and universities. Since its inception, its inducted members include 17 United States presidents, 42 United States Supreme Court justices, and 136 Nobel laureates. Source: Wikipedia (en)