Adlai Ewing Stevenson III (born October 10, 1930, in Chicago

Chicago

Chicago is the largest city in the US state of Illinois. With nearly 2.7 million residents, it is the most populous city in the Midwestern United States and the third most populous in the US, after New York City and Los Angeles...

) is an American politician of the Democratic Party. He represented the state of Illinois

Illinois

Illinois is the fifth-most populous state of the United States of America, and is often noted for being a microcosm of the entire country. With Chicago in the northeast, small industrial cities and great agricultural productivity in central and northern Illinois, and natural resources like coal,...

 in the United States Senate

United States Senate

The United States Senate is the upper house of the bicameral legislature of the United States, and together with the United States House of Representatives comprises the United States Congress. The composition and powers of the Senate are established in Article One of the U.S. Constitution. Each...

 from 1970 until 1981.
Adlai Stevenson III attended the Milton Academy in Massachusetts, Harrow School in England, and Harvard College.

He received a law degree in 1957 from Harvard.

Stevenson was commissioned as a lieutenant in the U.S.