"1873-10-09Z"^^ . "1873Z"^^ . . "1939-12-11Z"^^ . . . . . "Charles Rudolph Walgreen (October 9, 1873 \u2013 December 11, 1939) was an American businessman who founded Walgreens."@en . . "American businessman" . "Charles Rudolph Walgreen"@en . . . "Walgreen, Charles Rudolph"@en . . "1939Z"^^ . . . .