What German economist philosopher is credited with the idea of communism?

Karl Marx is the German economist and philosopher credited with the development of communist theory. Along with Friedrich Engels, he co-authored "The Communist Manifesto" in 1848, which outlines the principles of communism and critiques capitalism. Marx's ideas emphasize class struggle, the means of production, and the goal of a classless society. His work laid the foundation for subsequent socialist and communist movements worldwide.