Assertion: professor bushman | /r/CapableOf | chair the department of history
Facets:
Source sentences:
text: Before joining the faculty at Columbia University, he taught at Brigham Young University, Brown University, Boston University, Harvard University (as a visiting professor), and the University of Delaware (where he chaired the Department of History 1977-1983, served as coordinator of the History of American Civilization Program 1984-1989, and held the H. Rodney Sharp Professorship of History).