A specialist in medieval English history, Charles Warren Hollister graduated with honors from Harvard University in 1951 and received his Ph.D. from UCLA in 1958. He was one of the founding members of the University of California Santa Barbara history department, where he taught until his retirement in 1994.
Readers of a certain age had this and earlier editions of this text (in two volumes) for undergraduate western civilization courses in the 1960s and 1970s.