After creating his own minor grouping, the Socialist Party of Workers (later known as Independent Socialist Party), in 1928, Cristescu joined the minor and Unitary Socialist Party in 1932 (a Marxist group led by Leon Ghelerter, Ștefan Voitec, and Constantin Popovici, it eventually dissolved itself under pressure from the Communist Party in 1944).
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In this capacity, he became noted in debates over the imprisonment of Mihai Gheorghiu Bujor, a Romanian citizen who had joined the Russian Red Army in Bessarabia during the October Revolution, and who had been tried for treason.
Gheorghe Gheorghiu-Dej | Gheorghe Tătărescu | Gheorghe Zamfir | Gheorghe Panaiteanu Bardasare | Gheorghe Ene | Gheorghe Munteanu-Murgoci | Gheorghe Flutur | Gheorghe Duca | Gheorghe Argeşanu | Sfântu Gheorghe | Gheorghe Ursu | Gheorghe Ştefan | Gheorghe Șincai |