M. was born in December 1876 in Brest-Litovsk, Poland, to a shoemaker, receiving a traditional Jewish education. At twelve years of age he began to learn Russian and general studies. In his early youth he was imbued with Yiddish from [khbt-tsyun] and "Tkhyt hshfh", and he had at age seventeen become known to socialists and very quickly was given a leading role in the Socialist movement.

Since 1897 one of leaders of the "Bund", he was especially popular under the pseudonym of "Beynush", going through(?) the various poor of the socialists in Czarist Russia. He was active as a Jewish-Socialist speaker and writer.

M. had manifested a special interest in the life of the Yiddish theatre, and he had published under the pseudonym "A teatral", under his own name and [reshi-tbus] many articles about Yiddish theatre and Yiddish actors.

On 30 October 1928 M. passed away in Warsaw.

• Z. Reyzen -- "Lexicon of Yiddish Literature", Vol. II, pp. 396-402.

• M. Weichert -- Beynish mikhalevitsh, "Di yidishe velt", Warsaw, Vii, 1928.

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