M. was born on 18 April 1889 in Suwalki, Poland. His father was a businessman, a scholar and a mshkil (intelligent person).

He learned in a cheder and yeshiva. Later he completed Cohen's gymnasium in Vilna, studying medicine in Moscow's university, and was a military doctor participated in the World War, where he became wounded.

Since 1911 he published in various Hebrew editions a range of critical articles about the representation of the new Hebrew literature as well as world literature.

He wrote in Yiddish an entire ..., but published little, including under the pseudonym of Ari Manfried in "Tsukunft" (New York, 1-5, 1923), a drama "Lilit, a [mitus] in three scenes".

M. last lived in Eretz Yisrael.

Z. Reyzen -- "Lexicon of Yiddish Literature", Vo. II, pp. 181-182.