= Frank W. Preston
{wiki=Frank_W._Preston}
Frank W. Preston is primarily known as an American statistician and demographer. He is recognized for his contributions to the fields of demography and statistics, particularly in relation to population studies and mortality rates. Preston is often associated with the "Preston curve," which describes the relationship between life expectancy and income per capita across different countries. If you meant a different context or a specific work associated with Frank W.
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