An intellectual tradition and political movement initiated by Karl Marx (1818–1883) and Friedrich Engels (1820–1895), Marxism has devoted much attention and debate on matters of science, technology, and ethics. Marx and Engels themselves were particularly influenced by Darwinism and saw themselves as extending an understanding of organic evolution into human history. They believed that developments in the natural sciences of their times required elaboration of the philosophical and sociological consequences in the direction of a dialectical and historicist form of materialism. But they were critical of existing materialist currents as undialectical and existing dialectical positions as idealist. In the intellectual division of labor between Marx and Engels, Marx devoted his efforts to economics, while Engels wrote on philosophy, science, culture, morality, and gender, and entered into polemics with critics. His Dialectics of Nature, published posthumously in 1927, explores the philosophical implications of the natural sciences.

Marxism held that capitalism has played...