Parti ouvrier unifié polonais
In December 1939 Przyboś relocated to Lviv. In 1941 was he arrested by Gestapo, the Nazi German secret police. After World War II he became a member of the Polish Workers' Party, and later of the Polish United Workers' Party. In 1947–1951, he worked as a diplomat in Switzerland. Then he was director of the Jagiellonian Library in Kraków. After the Hungarian Revolution of 1956, Przyboś left the Polish United Workers' Party.