Karl Marx was a German philosopher and economist best known for his ideas about capitalism and socialism. He believed that society is shaped by economic forces and that the struggle between different social classes drives historical change. His most famous works, including The Communist Manifesto and Das Kapital, critique capitalism and advocate for a classless society where resources are shared equally. Marx's theories have influenced many political movements and ideologies around the world. His ideas laid the groundwork for Marxism, a framework that seeks to analyze and change society by addressing issues of class struggle and economic inequality. Marx's vision continues to spark debate and inspire activists today.