"1989Z"^^ . "0126765" . . . "1965-07-22Z"^^ . "Karl Koch"@en . "Karl Werner Lothar Koch"@en . "German spy" . . . . "Koch, Karl"@en . "1965Z"^^ . "Karl Werner Lothar Koch (July 22, 1965 \u2013 ca. May 23, 1989) was a German hacker in the 1980s, who called himself \"hagbard\", after Hagbard Celine. He was involved in a Cold War computer espionage incident."@en . "1989-05-23Z"^^ .