 Polish artists also worked abroad , outside of occupied Europe . Arkady Fiedler , based in Britain with the Polish Armed Forces in the West wrote about the 303 Polish Fighter Squadron . Melchior Wańkowicz wrote about the Polish contribution to the capture of Monte Cassino in Italy . Other writers working abroad included Jan Lechoń , Antoni Słonimski , Kazimierz Wierzyński and Julian Tuwim . There were artists who performed for the Polish forces in the West as well as for the Polish forces in the East . Among musicians who performed for the Polish II Corps in a Polska Parada cabaret were Henryk Wars and Irena Anders . The most famous song of the soldiers fighting under the Allies was the Czerwone maki na Monte Cassino ( The Red Poppies on Monte Cassino ) , composed by Feliks Konarski and Alfred Schultz in 1944 . There were also Polish theaters in exile in both the East and the West . Several Polish painters , mostly soldiers of the Polish II Corps , kept working throughout the war , including Tadeusz Piotr Potworowski , Adam Kossowski , Marian Kratochwil , Bolesław Leitgeber and Stefan Knapp . 
