Karl Marx lived in exile and wrote from London. Exile refers to the act of being forced to leave one`s home country and live elsewhere. Marx, a German philosopher, economist, and political theorist, was an influential figure in the development of socialist and communist ideologies. Due to his radical ideas and political activism, Marx faced persecution and was eventually expelled from multiple countries. He found refuge in London, where he lived for a significant portion of his life and continued writing prolifically. London provided Marx with a relatively safe environment to develop his theories and publish his most famous works, including "Das Kapital" and "The Communist Manifesto." His writings in London had a profound impact on the course of history and continue to shape political and economic discourse to this day.