Mykola Lebed ( ; January 11 , 1909 – July 18 , 1998 ) , also known as Maksym Ruban , Marko or Yevhen Skyrba , was a Ukrainian political activist , Ukrainian nationalist , and guerrilla fighter . He was among those tried , convicted , and imprisoned for the murder of Polish Interior Minister Bronislaw Pieracki , in 1934 . The court sentenced him to death , but the state commuted the sentence to life imprisonment . He escaped when the Germans invaded Poland in 1939 . As leader of OUN-B he is responsible for the genocide of Poles in Volhynia and Eastern Galicia
genocide
Massacres of Poles in Volhynia and Eastern Galicia
Mykola Lebed