+Friedrich Engels (1820–1895) was a German philosopher, social scientist, and revolutionary. He co-authored *The Communist Manifesto* with his lifelong friend, [Karl Marx](/wiki/karl_marx), laying the foundation for modern [Marxism](/wiki/marxism). Engels provided crucial financial support and intellectual contributions to Marx's work, critiquing capitalism and advancing socialist theory.
+## See also
+- [Karl Marx](/wiki/karl_marx)
+- [Communism](/wiki/communism)
+- [Socialism](/wiki/socialism)
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