Maksymilian Horwitz

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Maksymilian Horwitz
Born	(1877-09-06)6 September 1877 Warsaw, Congress Poland, Russian Empire
Died	20 September 1937(1937-09-20) (aged 60) Moscow, USSR
Other names	Henryk Walecki
Education	PhD, University of Ghent (1898)
Political party	Polish Socialist Party – Left (1906–1918) Communist Party of Poland (1918–1937)

Maksymilian Horwitz (pseudonym: Henryk Walecki; 6 September 1877 – 20 September 1937) was a leader and theoretician of the Polish socialist and communist movement.^[1]