Charles R. Hackenberry, 73, rural Port Matilda, former professor at Penn State Altoona, died unexpectedly Friday at home. He was born in Lewistown, son of Charles R. and Bernice (Wilcox) Hackenberry. He married Barbara Boughner on Dec. 15, 1962, at St. Robert's Catholic Church in Chester. Surviving are his wife; two daughters: Joan Ami Cramer of Camp Hill and Emily Carey Spencer of Durango, Colo.; and two grandsons. According to the wishes of the deceased, there will be no public visitation or funeral service. Arrangements are by Koch Funeral Home, State College.