Irving Louis Horowitz (September 25, 1929 – March 21, 2012) was an American sociologist, author, and college professor who wrote and lectured extensively in his field. He proposed a quantitative index for measuring a country's quality of life, and helped to popularize "Third World" as a term for the poorer nations of the Non-Aligned Movement. He was considered by many to be a neoconservative, although he maintained that he had no political adherence.
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