Leopold Lewin was a Polish poet, journalist and translator. He graduated the Warsaw University in 1931. In the years 1939-1944 on emigration in USSR. Arrested by NKVD

NKVD

The People's Commissariat for Internal Affairs was the public and secret police organization of the Soviet Union that directly executed the rule of power of the Soviets, including political repression, during the era of Joseph Stalin....

, he became a Polish communist, joining the Union of Polish Patriots

Union of Polish Patriots

Union of Polish Patriots was a political body created by Polish communists and Joseph Stalin in Soviet Union in 1943...

 there, and was an author of many socrealistic

Socialist realism

Socialist realism is a style of realistic art which was developed in the Soviet Union and became a dominant style in other communist countries. Socialist realism is a teleologically-oriented style having its purpose the furtherance of the goals of socialism and communism...

 poems (like 'Song of Unitied Parties' - 'Pieśń Partii Zjednoczonych'). After the war he was an editor

Editing

Editing is the process of selecting and preparing written, visual, audible, and film media used to convey information through the processes of correction, condensation, organization, and other modifications performed with an intention of producing a correct, consistent, accurate, and complete...

 of several Polish newspapers and the Secretary General of the Polish Literary Society.