Robertson was the founding executive director of the Virginia Center for Civil War Studies research and education center. Robertson was the Chief Historical Consultant in the 2003 Warner Brothers film
Gods and Generals, which prominently features Stonewall Jackson. Robertson was also a member of the Board of Trustees at the
Museum of the Confederacy in
Richmond, Virginia. Robertson authored 18 books including
General A.P. Hill,
Soldiers Blue and Gray, and
Civil War! America Becomes One Nation. His biography
Stonewall Jackson: The Man, The Soldier, The Legend, won eight national awards including the
American Library Association's Best Book for Young Readers Award. Robertson also edited an additional 18 books on the Civil War. In 1961, President
John F. Kennedy nominated Robertson to serve as the executive director of the
U.S. Civil War Centennial Commission, a federal committee that was foundering under the pressures of regional differences and the emerging civil rights movement, unable to organize a dignified commemoration of the war era. Robertson worked effectively with 34 state and 100 local centennial committees to create a successful result. In 2011, Robertson wrote and hosted, with
William C. "Jack" Davis, the 3-hour documentary "Virginia in the Civil War: A Sesquicentennial Remembrance". In 2016, Robertson received The Lincoln Forum's
Richard Nelson Current Award of Achievement. ==Robertson Award==