SCIENCE AND REVOLUTION 



I. PROLETARIAN SCIENCE 



Human history is not only economic history, 

 but also natural history. The economic history 

 itself would not be possible without the founda- 

 tion which is the special domain of natural his- 

 tory. The study of human evolution, therefore, 

 requires an analysis of the biological develop- 

 ment of mankind as well as of its economic 

 development. From this point of view, man's 

 development in society and his general position 

 in the universe appear as parts of the entire 

 world-process. 



My method of investigation is that of histor- 

 ical materialism. Just as in the study of eco- 

 nomics and politics we trace certain ideas, and 

 their application in practice, back to economic 

 facts, so in biology we trace certain ideas back 

 to the material facts of the earth and of the rest 

 of the universe. In this way, we obtain a uni- 

 versal key to the entire intellectual activity of 



