Gilder Lehrman Institute of American History

The Gilder Lehrman Institute of American History is a 501(c)(3) charity and was founded in 1994 by businessmen-philanthropists Richard Gilder and Lewis E. Lehrman in New York City to promote the study and interest in American history. Despite the conservative political activist credentials of its two founders, some prominent liberal historians familiar with them, including David Brion Davis and Henry Louis Gates Jr.

Source: Wikipedia — Gilder Lehrman Institute of American History (CC BY-SA 4.0)