London, U.K. – When thinking of London, one often thinks of Big Ben, Buckingham Palace, double-decker buses, and fish and chips. We might also think of its fabulous museums, concert halls and cultural life. One thing we might not think of is that Karl Marx, Friedrich Engels, Vladimir Lenin and even Josef Stalin all had an important relationship to the City of London. Across the city, one can find all sorts of interesting places related to the history of Marxism and the workers' movements.