. "1957Z"^^ . "Jon Crowcroft"@en . . "Jonathan Andrew \"Jon\" Crowcroft, FRS, FREng (born 23 November 1957) is the Marconi Professor of Communications Systems in the Computer Laboratory of the University of Cambridge."@en . . . "Crowcroft, Jon"@en . "British computer scientist" . . . . . . "1957-11-23Z"^^ . .