1. Harvard University, United States
Harvard University is a private Ivy League research university in Cambridge, Massachusetts, United States. It was founded in 1636. It is the oldest institution of higher learning in the United States. Harvard Medical School, the graduate school of medicine at Harvard University was established in 1782. It holds the No.1 position in the list of top medical institutes in the world according to QS WUR, U.S. News & World Report, and 3rd in the Times Higher Education rankings. The faculty here have been part of important inventions like smallpox vaccination, insulin, anesthesia, etc.