Portrait of Karl Marx 1818 - 1883. German founder of modern communism in England from 1849. He wrote The Communist Manifesto with Engels in 1848 and developed his theories of the class struggle and economics of capital in Das Kapital. [Getty Images]

Portrait of Karl Marx 1818 - 1883, German founder of modern communism in England from 1849, He wrote The Communist Manifesto with Engels in 1848 and developed his theories of the class struggle and economics of capital in Das Kapital (Photo by Popperfoto via Getty Images/Getty Images)