Donald Henry Rumsfeld is an American

United States

The United States of America is a federal constitutional republic comprising fifty states and a federal district...

 politician and businessman. Rumsfeld served as the 13th Secretary of Defense

United States Secretary of Defense

The Secretary of Defense is the head and chief executive officer of the Department of Defense of the United States of America. This position corresponds to what is generally known as a Defense Minister in other countries...

 from 1975 to 1977 under President Gerald Ford

Gerald Ford

Gerald Rudolph "Jerry" Ford, Jr. was the 38th President of the United States, serving from 1974 to 1977, and the 40th Vice President of the United States serving from 1973 to 1974...

, and as the 21st Secretary of Defense from 2001 to 2006 under President George W. Bush

George W. Bush

George Walker Bush is an American politician who served as the 43rd President of the United States, from 2001 to 2009. Before that, he was the 46th Governor of Texas, having served from 1995 to 2000....

. He is both the youngest and the oldest person to have served as Secretary of Defense. Additionally, Rumsfeld was a four-term U.S. Congressman

United States House of Representatives

The United States House of Representatives is one of the two Houses of the United States Congress, the bicameral legislature which also includes the Senate.The composition and powers of the House are established in Article One of the Constitution...

 from 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,...

 (1962-1969), Director of the Office of Economic Opportunity

Office of Economic Opportunity

The Office of Economic Opportunity was the agency responsible for administering most of the War on Poverty programs created as part of United States President Lyndon B. Johnson's Great Society legislative agenda.- History :...

 (1969-1971), Counsellor to the President (1969-1973), the United States Permanent Representative to NATO

United States Permanent Representative to NATO

The United States Permanent Representative to NATO is the official representative of the United States to the North Atlantic Treaty Organization. The Representative has the rank of full ambassador and is appointed by the President and confirmed by the Senate...

 (1973-1974), and White House Chief of Staff

White House Chief of Staff

The White House Chief of Staff is the highest ranking member of the Executive Office of the President of the United States and a senior aide to the President.The current White House Chief of Staff is Bill Daley.-History:...

 (1974-1975).

Born in Illinois, Rumsfeld attended Princeton University

Princeton University

Princeton University is a private research university located in Princeton, New Jersey, United States. The school is one of the eight universities of the Ivy League, and is one of the nine Colonial Colleges founded before the American Revolution....

, graduating in 1954 with a degree in political science

Political science

Political Science is a social science discipline concerned with the study of the state, government and politics. Aristotle defined it as the study of the state. It deals extensively with the theory and practice of politics, and the analysis of political systems and political behavior...

.