David Petrovsky (Lipetz) (also known as Max Goldfarb, Bennett, Humboldt, Brown, born September 24, 1886, in Berdychiv, Russian Empire — September 10, 1937, Moscow, Soviet Union) — a member of the Central Committee of the Jewish Socialist Federation of America, a member of the Socialist Party of America, the editor of the Jewish Daily Forward newspaper, journalist, political and economic scientist, a member of the Central Committee of the General Jewish Labour Bund in Lithuania, Poland and Russia (Bund) until 1919, a member of the Central Council of Ukraine (1917-1918), the statesman of the Soviet Union.
Throughout his life Petrovsky (Lipetz) used the following names: Goldfarb, Bennett, Humboldt, Brown.
Each of these names corresponds to a specific period of his life and work.