What is a list of Thomas Jefferson's friends?

James Madison and James Monroe were two Virginian political allies. Meriweather Lewis was his private secretary. He trusted Albert Gallatin his Secretary of Treasury for financial advice. George Wythe, another Virginia politician, willed his library to Jefferson. He developed a great deal of respect for John and Abigail Adams after he retired . He regularly invited students and faculty from the the University of Virginia to his home.