United States songwriter whose songs embody the sentiment of the South before the American Civil War (1826-1864)

United States aviator who (with Richard E. Byrd) piloted the first flight over the North Pole (1890-1928)

United States aviator who (with Richard E. Byrd) piloted the first flight over the North Pole (1890-1928)

United States aviator who (with Richard E. Byrd) piloted the first flight over the North Pole (1890-1928)

United States aviator who (with Richard E. Byrd) piloted the first flight over the North Pole (1890-1928)

United States aviator who (with Richard E. Byrd) piloted the first flight over the North Pole (1890-1928)

United States aviator who (with Richard E. Byrd) piloted the first flight over the North Pole (1890-1928)

United States aviator who (with Richard E. Byrd) piloted the first flight over the North Pole (1890-1928)

United States aviator who (with Richard E. Byrd) piloted the first flight over the North Pole (1890-1928)

identification of the gun that fired a bullet from an analysis of the unique marks that every gun makes on the bullet it fires and on the shell ejected from it