. . . . . "Knebel, John A."@en . . . . "1936Z"^^ . "John A. Knebel"@en . "American politician" . . "John Albert Knebel (born October 4, 1936) is a former United States government official who served as Secretary of Agriculture under President Gerald Ford."@en . "19th" . . . "1936-10-04Z"^^ . .