In the late 1940s, many poor countries desired to raise their standard of living by increasing output of food, natural resources and manufactured goods.
Iran, for example, made a noteworthy start toward this end by engaging Overseas Consultants Inc. to advise on a proposed US$650,000,000 development program.
Once the two Dulles brothers officially entered United States government in 1953 as the Secretary of State and the Director of the CIA they arranged, with the help of Christopher Montague Woodhouse, the former chief of British intelligence in Iran, and head of the British Secret Intelligence Service, Sir John Sinclair, often referred to as "C", to overthrow Mohammed Mossadeq's government.
The two banking clients appear to be minor players, the identity of the eleven engineering and consulting firms remains obscure and their pervasive influence in the post war rebuilding process something that needs to be further researched.
Overseas Consultants also worked in such remote places as the southern highlands of Central Africa, studying vegetation and soils with respect to possible railroad construction.