Career in the Communist Party
Zambrowski was born into an Jewish family in Warsaw before World War I, and was a member of the pre-War Communist Party of Poland (1928–1938). He was also a member of the Central Committee of the Communist Association of Polish Youth (1930–1938). After the invasion of Poland, he became one of the chief organisers and main leaders of the Union of Polish Patriots (1943) and the Central Bureau of Polish Communists (Centralne Biuro Komunistów Polskich, CBKP) in the Soviet Union in 1944, and head of the Political and Educational Management of the Polish Army in the Soviet Union and then in the Polish First Army (since 1944).
In 1944 he became a member of the Polish Workers' Party, Polish United Workers' Party (1948–1968), and of its Central Committee (1944–1964), Politburo of the Polish United Workers' Party (1945–1963), deputy of a State National Council (1944–1947), deputy of a Sejm (1947–1965), Deputy-marshal of the Sejm (1947–1952), secretary of the Central Committee (1948–1954 and 1956–1963), leader of the reformist movement in the Polish United Workers' Party known as Puławianie (communist faction) in 1956, vice-president of the Supreme Chamber of Control (1963–1968). He was the presidend of Komisja Specjalna do Walki z Nadużyciami i Szkodnictwem Gospodarczym.
In 1968 he was accused of inspiring the 1968 Polish political crisis and of Zionism, then expelled from the Polish United Workers' Party and removed from the position as a vice-president of the Supreme Chamber of Control.
- "Zambrowski Roman". Internetowa encyklopedia PWN (in Polish). Wydawnictwo Naukowe PWN. Retrieved 2007-10-08.
- "Zambrowski Roman". WIEM Encyclopedia (in Polish). Retrieved 2007-10-08.
- "Encyklopedyczna lipa, powielanie esbeckiej dezinformacji". ASME (in Polish). Archived from the original on 2009-04-02. Retrieved 2009-04-03.