Which man, Joe Manganiello or Richard G. Hovannisian,  is known mainly for his four-volume history of the First Republic of Armenia?
Joe Manganiello: Joseph Michael Manganiello ( ; ] ; born December 28, 1976) is an American actor. Richard G. Hovannisian: Richard Gable Hovannisian (Armenian: Ռիչարդ Հովհաննիսյան , born November 9, 1932) is an Armenian American historian and professor emeritus at the University of California, Los Angeles. Richard G. Hovannisian:  He is known mainly for his four-volume history of the First Republic of Armenia.
Richard Gable Hovannisian