Nachtigall Battalion
Roman-Taras Yosypovych Shukhevych (), also known by his pseudonym Taras Chuprynka (June 30, 1907 – March 5, 1950), was a Ukrainian nationalist, one of the commanders of Nachtigall Battalion, a "hauptmann" of the German Schutzmannschaft 201 auxiliary police battalion, a military leader of the Ukrainian Insurgent Army (UPA), and one of the organizers of the Galicia-Volhynia Massacres of approximately 100,000 Poles.