Marcin Kasprzak

Marcin Kasprzak (November 2, 1860 – December 8, 1905) was a Polish Marxist revolutionary and a prominent leader of Poland's labour movement.

Kasprzak was born the son of a laborer on November 2, 1860, in the village of Czołowo in Sremski County.

Kasprzak was arrested in 1885, but escaped prison in 1887 and fled to Switzerland, then illegally arrived in Warsaw the same year.

[1] According to some sources, in 1889 Kasprzak also helped to smuggle out Rosa Luxemburg out of Poland; she moved to Switzerland.

On April 27, 1904, during a police raid on an underground printing press in Warsaw, Kasprzak participated in armed resistance, during which four policemen were killed and several others wounded.