Igor Petrov is an independent researcher based in Munich. His main areas of interest include Russian emigration in Germany prior to, during and after the Second World War and Soviet collaboration with the Axis powers during the Second World War. He has translated, edited and commented on the Russian publication of Alfred Rosenberg’s diaries, Politicheskii dnevnik Al’freda Rozenberga: 1934-1944. He co-authored a large series of radio broadcasts entitled Russian Collaboration on Radio Liberty, and a chapter on the same topic in Joining Hitler’s Crusade edited collection. His works have been published in numerous journals and magazines, including Neprikosnovennyi Zapas and Istoricheskaia Ekspertiza.