The Hoover Institution is marking the ninetieth anniversary of its founding with an exhibit titled A Revolutionary Idea: Hoover Making History since 1919. The Institution was established following World War I through the efforts and philanthropy of Herbert Hoover, the 31st president of the United States. Among the highlights of the exhibit are the original telegrams between Hoover and Adams, blueprints of Stanford's iconic Hoover Tower, and numerous selections from the Institution's more than 100,000 political posters. PAVILION HOURS: Tuesday through Saturday, 11:00 AM to 4:00 PM.