"Deceased" . "John Anthony Llewellyn"@en . . "2013Z"^^ . . . "Welsh-born American scientist, astronaut" . "1933-04-22Z"^^ . "John Anthony Llewellyn (22 April 1933 \u2013 2 July 2013), was a Welsh-born American scientist and a former NASA astronaut."@en . "Llewellyn, Anthony"@en . "Llewellyn, John Anthony"@en . "2013-07-02Z"^^ . . . . . . "1933Z"^^ .