List of Famous people named John

John Winsor Pratt is Emeritus William Ziegler professor business administration at Harvard University. His former education was conducted at Princeton and Stanford, where he specialized in mathematics and statistics. Pratt spent most of his academic career at Harvard University. He was an editor of the Journal of the American Statistical Association from 1965 to 1970. His researches on risk aversion, risk sharing incentives, and the nature and discovery of stochastic laws, statistical relationships that describe the effects of decisions. He has made contributions to research in risk aversion theory, notably with Kenneth Arrow on measures of risk aversion.

John Pendleton King was an attorney, planter and politician, serving as United States Senator from Georgia. He resigned in 1837 before the end of his term to devote himself to his plantation and business, serving for nearly 40 years as president of the Georgia Railroad and Banking Company and becoming a cotton manufacturer. He acquired large plantation holdings and by 1860 owned 69 slaves to work the cotton fields and related trades.

John Patrick O'Brien was an Irish-American politician who served as the 98th Mayor of New York City from January 1 to December 31, 1933