3. Harvard University
Harvard University is another old university that is steeped in traditions and is well-known for the hand it has had in developing many leaders of the United States. A total of 8 presidents so far have been Harvard graduates. In addition to producing United States presidents, Harvard University has also produced an impressive 151 Nobel laureates to date. Additionally, this university is number one when it comes to financial endowment with $32.3 billion at the time of this writing.