 Complete the following phrase:  Pintilie joined the labour movement as an apprentice at the CFR workrooms in Nicolina-Iași, and became a member of the then-outlawed PCR in 1926. In February 1933, as the Griviţa Strike unfolded in Bucharest, he took part in organising railway strikes elsewhere particularly in Iași and Pașcani as a member of the national action committee. Between 1934 and 1937 he undertook important tasks in the leadership of CFR unions and was an active member of the anti-war movement, writing numerous articles in left-wing newspapers and magazines. In 1936 he became a member of the Central Committee of the PCR. Arrested, tried and sent to prison several times for his activities, he was detained at Galata Iași, Suceava and Jilava before being sent to Doftana prison. There, as an ethnic Romanian and a worker, he was the only rival for leadership of Gheorghe Gheorghiu-Dej, who had made a name for himself in the Grivița Strike. Pintilie was killed when Doftana prison collapsed during the 