"Werth, Nicolas"@en . "Nicolas Werth is a French historian, and an internationally known expert on communist studies, particularly the history of the Soviet Union. He is the son of Alexander Werth, a Russian-born British journalist and writer.He wrote the chapters dedicated to the USSR in The Black Book of Communism. Werth is a research director at the Institut d'histoire du temps pr\u00E9sent, affiliate to CNRS. Since the 2000s, all his books are financed by the Hoover Institution."@en . . . "French historian" .