"Jack Nicholas Pritzker (January 6, 1904 - October 30, 1979) was an American businessman and member of the Pritzker family."@en . "1979-10-30Z"^^ . "1904Z"^^ . "American businessman" . . . . . . "Pritzker, Jack Nicholas"@en . "1904-01-06Z"^^ . . "Jack Nicholas Pritzker"@en . "1979Z"^^ . .