The Kentucky historical marker near the base of the statue reads, on one side, "John B. Castleman – Soldier. Castleman, one of Morgan's men, led attempt in 1864 to free CSA prisoners at Camp Morton. He was imprisoned until the end of the war, exiled, then pardoned by President Johnson. A native of Fayette Co., he came here in 1867. Colonel, Louisville Legion, 1st Regt., Ky. State Guard, reorganized in 1878. Served with 1st Regt. as Brigadier General in Puerto Rico, 1898–99." The other side reads, "John B. Castleman-Citizen – After the Civil War, Castleman studied law and graduated from University of Louisville in 1868. Known as Father of Louisville Park System, he was responsible for Cherokee, Shawnee, Iroquois, and Central parks. Castleman also organized and was president of American Saddle Horse Assn., 1892. Appointed Adjutant General by both governors Knott and Beckham."