Karl Heinrich Marx (German pronunciation:[kaː ɐ̯l ˈhaɪn 40;ɪç ˈmaː; 2;̯ks], 5 May 1818 – 14 March 1883) was a German philosopher, economist, sociologist, historian, journalist, and revolutionary socialist. Marx's work in economics laid the basis for the current understanding of labour and its relation to capital, and has influenced much of subsequent economic thought. He published numerous books during his lifetime, the most notable being The Communist Manifesto (1848) and Das Kapital (1867–1894).
Born into a wealthy middle-class family in Trier in the Prussian Rhineland, Marx studied at the University of Bonn and the University of Berlin, where he became interested in the philosophical ideas of the Young Hegelians. After his studies, he wrote for a radical newspaper in Cologne, and began to work out his theory of dialectical materialism. He moved to Paris in 1843, where he began writing for other radical newspapers and met Fredrick Engels, who would become his lifelong friend and collaborator. In 1849 he was exiled and moved to London together with his wife and children where he continued writing and formulating his theories about social and economic activity. He also campaigned for socialism and became a significant figure in the International Workingmen's Association.
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