 In the early 1960s Hotzeas started to translate the documents of the international debate between the Communist Party of China and the Communist Party of the Soviet Union, which marked the Sino-Soviet split.In 1964, he led the publication of the magazine Renaissance (), and then the creation and development of the Organisation of Marxists-Leninists of Greece (OMLE).Right after the military coup of 21 April 1967 which established a Greek military junta, Hotzeas passed in clandestinity and continued leading the OMLE.