"Blumlein, Alan"@en . . "1903-06-29Z"^^ . "1942Z"^^ . . . . . "1942-06-07Z"^^ . "Englishelectronicsengineer" . "1903Z"^^ . "Alan Dower Blumlein (29 June 1903 \u2013 7 June 1942) was an English electronics engineer, notable for his many inventions in telecommunications, sound recording, stereophonic sound, television and radar."@en . "Alan Dower Blumlein"@en . .