[2] He then worked as a doctor in Bucharest, and was also active within the Jewish community, for instance editing the 1946 Raportul general asupra situației comunității.
A significant part of his journalistic work is signed with the pen names Dr. Knox, Dr. Otorin, Dr. M. Prunk and Dr. Urzică; publications in which he appeared include Cotidianul, Ziua, Adevărul literar și artistic, Adam, Gândirea, Năzuința, Omul liber, Puntea de fildeș, Sburătorul and Șantier.
The poems in his Primăvară nouă (1948) and Steagurile inimii (1949), written early in the communist regime, are in socialist realist style; he subsequently wrote one other poetry book, for children Bună dimineața (1953).
His novels dealt with social problems drawn from the local Jewish environment: Profeți și paiațe (1931), Vagabonzii (1935) and Otrava (1947).
He put together a collection of texts on the history of medicine (Din trecutul nostru științific, 1955) and wrote a social observation novel set in the insect world (Memoriile greierului, 1937).