"Byron McLean Rankin, Jr., nicknamed \"Mack,\" was a prominent member in the Texas oil industry who became a part-owner of the Texas Rangers."@en . . . . . "American businessman" . . "Mack Rankin"@en . "Rankin, Mack"@en . . "1930-01-08Z"^^ . "1930Z"^^ . "Byron McLean Rankin, Jr."@en . "Mack Rankin"@en . "2013-08-14Z"^^ . "2013Z"^^ . .