With friends he established the Krayzl fun Yidish Natsyonaler Estetik (Circle for Jewish National Aesthetic).

In 1927 he was one of the founders of the kleynkunst stage Ararat in Łódź,[6] an experimental theater that featured the actors Shimon Dzigan and Israel Shumacher.

[2] His final lyrics, which appeared in 1939 with the single letter Yud as title, comprise 50 poems of 16 lines each, laden with tragic premonitions of the end of Polish Jewry in a coming world catastrophe.He and his wife, Sheyne Miriam, escaped from Poland into the Soviet Union in 1939 after the Nazi invasion.

After five years in a labor camp he was "rehabilitated" in September 1955 and was allowed to return to Poland in July 1956;[7] he was greeted there by a small number of literati who had reunited after the war.

"But in despair at seeing a Poland that had become a Jewish cemetery and weakened by years in a labor camp, he died of a heart attack in Warsaw on 17 August 1956.

After the devastation of the grave, his daughter Anetta (born 1920) transported her father's ashes to Israel to the Kiryat Sha'ul cemetery in Tel Aviv.