. "2015Z"^^ . "103118427" . . "2015-05-07Z"^^ . . "1928-02-01Z"^^ . . . . . . . . . . "Edwards, Samuel Frederick"@en . . "British physicist" . . "Sir Samuel Frederick Edwards FLSW FRS (1 February 1928 \u2013 7 May 2015) was a Welsh physicist."@en . . . . "Samuel Frederick Edwards"@en . . "1928Z"^^ . .