Career
Grover joined the National Archives staff in 1935. During his tenure as Archivist of the United States (from 1948 to 1965), the Presidential Library system was established, and he helped develop the Truman Library, the Eisenhower Presidential Center, and the Lyndon B. Johnson Library and Museum. Also during this period, the National Archives produced the first code of ethics for the archival profession, prepared as part of its inservice training program and published under the title "The Archivist"s Code".
Grover was known to be the author, although his name did not appear in the 1955 publication.
He also served as the Western Hemisphere vice president of the International Council on Archives. He died of cancer at his home in Silver Spring, Maryland.