From which school did Herbert Hoover earn his undergraduate degree?

From which school did Donald Trump earn his undergraduate degree? From which school did Joe Biden earn his undergraduate degree? From which school did Ronald Reagan earn his undergraduate degree? From which school did Richard Nixon earn his undergraduate degree? From which school did Calvin Coolidge earn his undergraduate degree? From which school did Thomas Jefferson earn his undergraduate degree? From which school did James A. Garfield earn his undergraduate degree? From which school did Franklin Pierce earn his undergraduate degree?