Bemis, BEE mihs, Samuel Flagg (1891-1973), was an American historian and authority on American diplomatic history. He won the 1927 Pulitzer Prize for his history Pinckney's Treaty, and the 1950 Pulitzer prize for his biography John Quincy Adams and the Foundation of American Foreign Policy (1949). He also specialized in the relations of the United States with Latin America. He used materials in the government records of other countries relating to American diplomatic history. In 1935, Bemis joined the faculty of Yale University. He was born in Worcester, Massachusetts.