. "2008Z"^^ . . . . . "Deceased" . "John S. Bull"@en . . "1934-09-25Z"^^ . "1934Z"^^ . . "Bull, John Sumter"@en . "American astronaut" . "John Sumter Bull, Ph.D. (September 25, 1934 \u2013 August 11, 2008), (Lt Cmdr, USN), was an American naval officer and aviator, fighter pilot, test pilot, mechanical and aeronautical engineer, and NASA astronaut."@en . . . "2008-08-11Z"^^ . .