 From 1944 to 1946, he was Dean of the Bucharest medical faculty, having been handpicked for the position by Ștefan Voitec, the Social Democrat Education Minister.With the onset of the Soviet occupation and the installation of a Communist Party-led government, he continued to stand up for his principles.In front of communist-run purging committees, he defended on professional grounds those colleagues accused of having sided with fascism, and called for the reinstatement of academic freedom.