Founded 1636 in Cambridge, Massachusetts, Harvard University comprises the following schools:

Harvard College (what most people think of when they think Harvard)
Harvard Medical School
Harvard Business School
Graduate School of Design
Harvard Divinity School
Graduate School of Eduation
John F. Kennedy School of Government
Harvard Law School
School of Public Health

According to the website (www.harvard.edu), there are 18,000 undergraduate and graduate students. They also mention: "Six presidents of the United States - John Adams, John Quincy Adams, Theodore and Franklin Delano Roosevelt, Rutherford B. Hayes, and John Fitzgerald Kennedy - were graduates of Harvard. Its faculty have produced more than 30 Nobel laureates"