Audiobook in MP3 Format (NOTE: You must use an MP3 compatible player, the disk will appear blank on a non-compatible player) ***** Karl Marx and Friedrich Engels wrote their Manifesto in December 1847, as a guide to the fundamental principles and practices of Communists. The Manifesto also predicted the ultimate downfall of the capitalist system. ***** Karl Heinrich Marx (May 5, 1818 - March 14, 1883) was a German philosopher, self-taught political economist, historian, political theorist, sociologist, communist, and revolutionary, whose ideas played a significant role in the development of modern communism and socialism. Marx summarized his approach in the first line of chapter one of The Communist Manifesto, published in 1848: "The history of all hitherto existing society is the history of class struggles."