Original sentence: In March 1992, British journalist and writer on religion Andrew Brown quoted a Soviet Embassy attaché, KGB Major General Oleg Kalugin, as saying, "We had an agent — a well-known American journalist — with a good reputation, who severed his ties with us after 1956
Edited sentence: In March 1992, Guardian journalist Andrew Brown quoted a Soviet Embassy attaché, KGB Major General Oleg Kalugin, as saying, "We had an agent — a well-known American journalist — with a good reputation, who severed his ties with us after 1956