The talk, by Cormac O'Malley, son of Irish militant nationalist Ernie O'Malley, will take place at 7 p.m. in the school's Schine Auditorium, 5151 Park Ave.
Cormac O'Malley works as a military historian and literary executor and editor. He has produced autobiographical memoirs, including "On Another Man's Wound" and "The Singing Flame."
After moving from Ireland, O'Malley attended Harvard University and later acted as an in-house international corporate counsel while living in Brussels, London and New York. In recent years, he has focused on the publication of his father's heritage and has co-edited and revised numerous works.
The event is free.
Visit www.sacredheart.edu or call 203-371-7999 for information.