Ruth Blair was an American librarian and archivist in the U.S. state of Georgia. She was the first woman state historian of Georgia and the first executive secretary of the Atlanta Historical Society. She helped organize the Society of American Archivists in 1936. Named Atlanta's Woman of the Year in 1955, she has been called "one of the most distinguished archivists in America".

Atlanta History Center is a history museum and research center located in the Buckhead district of Atlanta, Georgia. The Museum was founded in 1926 and currently consists of nine permanent, and several temporary, exhibitions. Atlanta History Center's campus is 33-acres and features historic gardens and houses located on the grounds, including Swan House, Smith Farm, and Wood Family Cabin. Atlanta History Center's Midtown Campus includes the Margaret Mitchell House & Museum. The History Center's research arm, Kenan Research Center, is open by appointment, and provides access to the archival collections. Atlanta History Center holds one of the largest collections of Civil War artifacts in the United States.