This article is about convergence of the Third World which attempt to achieve economic development and thereby begin to “catch up” the rich countries in terms of per capita income. The growing awareness of the wide variety of experiences observed among developing countries in this attempt has been a major factor in motivating renewed research into the important issue of economic growth. It is generally accepted that the Third World’s efforts to join the ranks of the so called “mature industrial countries” represent one of the major social, economic and political phenomena of the second half of the twentieth century. This attempted transition to modern economic growth will rank with the taming of the atom as the most important event of this period.