Hoover had amassed a large collection of materials related to early 20th century history; he donated them to Stanford, his alma mater, to found a "library of war, revolution and peace".
Hoover Tower receives approximately 200 visitors per day, and a nominal fee is charged for non-students or non-faculty.
The observation deck platform is 250 feet (76 m) above the ground, and provides an expansive view of the Stanford University campus and surrounding area.
[3] In August 2020 the concrete ball at the tower's tip was struck down by an electric storm again, shattering into multiple pieces.
[5] The original carillon of 35 bells was cast in Tournai, Belgium, by Marcel Michiel for the Belgian Pavilion at the 1939 New York World's Fair; however, the outbreak of World War II and the surrender of Belgium in May 1940 while the fair was still going on left the pavilion in the control of the Belgian government in exile.