During World War II, he wrote satirical articles and poems in underground press, for that he was arrested by the German Gestapo and executed in May in the infamous prison, Pawiak.

In 1938 he traveled in Palestine, Greece, Turkey and Romania, sending reports to national magazines.

In 1939, again in Lviv, where he became famous for his refusal to sign the servile declaration of Polish writers, welcoming the "reunification" of Ukraine.

He participated in the underground literary life, published his poems in the pages of the printed press and secret poetry anthology, the secret was selling magazines, organizing artistic events.

He took part in Operation N, worked with a paper literary Bureau of Information and Propaganda of the Headquarters of the Home Army.