<human>:  Why is it called the Hoover Library?
<bot>: It is named after Herbert Hoover, who was the 31st president of the USA. Hoover was born in West Branch, Iowa in 1874. He went on to become a mining engineer and then served as the US Secretary of Commerce under Presidents Warren Harding and Calvin Coolidge. After leaving the White House, Hoover continued to serve as a philanthropist and served as the president of the American Red Cross, the Boy Scouts of America, and the United Nations Relief and Rehabilitation Administration. He died in 1964.