"Mayor ofKnoxville" . . . "Walker, Cas"@en . "Cas Walker"@en . "1902-03-23Z"^^ . "Knoxville City Council" . "1998-09-25Z"^^ . . "American politician" . "Orton Caswell Walker"@en . "Walker, Orton Caswell"@en . . "1998-09-28Z"^^ . . . . "1998Z"^^ . "Orton Caswell \"Cas\" Walker (March 23, 1902 \u2013 September 25, 1998), was a Tennessee businessman, politician, and personality on television and radio. Walker founded a successful chain of small grocery stores that grew to include several dozen stores scattered throughout the Knoxville, Tennessee vicinity as well as parts of Virginia and Kentucky."@en . . . "1903Z"^^ .