. . "Randall, John Turton"@en . . . . . . "1984Z"^^ . "Sir John Turton Randall"@en . "British physicist" . . . "1905-03-23Z"^^ . . "Sir John Turton Randall, DSc, FRS, FRSE (23 March 1905 \u2013 16 June 1984) was a British physicist and biophysicist, credited with radical improvement of the cavity magnetron, an essential component of centimetric wavelength radar, which was one of the keys to the Allied victory in the Second World War. It is also the key component of microwave ovens."@en . . . . "1984-06-16Z"^^ . . . . "1905Z"^^ .