"1935-09-23Z"^^ . . "American actor" . . "1878Z"^^ . . . "1858Z"^^ . "William DeWolf Hopper (March 30, 1858 \u2013 September 23, 1935) was an American actor, singer, comedian, and theatrical producer. Although a star of the musical theater, he was best known for performing the popular baseball poem Casey at the Bat."@en . . . "DeWolf Hopper"@en . "1935Z"^^ . . "Hopper, DeWolf"@en . "1935Z"^^ . "1858-03-30Z"^^ . . . "William De Wolf Hopper"@en .