Der weltrevolutionäre Prozess seit Karl Marx und Friedrich Engels bis in die GegenwartIn 1986, four double stelae were erected in Berlin as a part of the Marx Engels Forum, which display 144 photographs, showing the development of the working class. Commissioned by the state, filmmaker Peter Voigt and photographer Arno Fischer developed a formal translation for Marxs and Engels philosophy of history. In line with their documentational focus, the two artists were concerned with demonstrating the historical situation of the international