"1966Z"^^ . . . "1880-04-19Z"^^ . "Hull, Albert"@en . . "Albert Wallace Hull (19 April 1880 \u2013 22 January 1966) is an American electrical engineer who made contributions to the development of vacuum tubes, and invented the magnetron. He was a member of the National Academy of Sciences."@en . . . "Albert Wallace Hull"@en . "1966-01-22Z"^^ . . . . "American inventor" . "1880Z"^^ .