<prompt> The theory of epidemiological web of causation was forwarded byRobe Koch and Louis PasteurMcMahon and ColleaguesHenle-KochJohn Stua Mill  <response>: For explaining the causation of such non-communicable diseases, in paicular, McMahon and Colleagues McMahon and Pugh T. Epidemiology: Principle and methods 1st Ed, 1970 forwarded the theory of epidemiological web of causation Ref: McMahon and Colleagues. Text book on Public Health and Community Medicine pg: 19. 