Hungarian politician who served as Minister of Culture from 1949 to 1953 and was a founder of the Communist Party of Hungary.
He spent ten years in the Soviet Union during the 1930s and '40s.
His Communist Party of Hungary was re-named the Hungarian Working People's Party in 1948. The party further morphed into the Hungarian Socialist Workers' Party.
He was born into a Jewish family in Budapest, Hungary.
He was a contemporary of Austrian-born philosopher and fellow Communist, Arthur Koestler.