Elizabeth Lutton and Timothy Knappenberger, both of Dahlgren, Va. are engaged to be married.

The bride-to-be is the daughter of Elva and David Lutton of Duncansville, Pa. She is a 2001 graduate of Hollidaysburg Area Senior High School and a 2005 graduate of Penn State University, where she earned a bachelor of arts degree in history and a bachelor of science degree in secondary education.The prospective bridegroom is the son of Terri and Will Knappenberger of Tamaqua.He is a 2003 graduate of Tamaqua Area High School and a 2008 graduate of Bloomsburg University, where he earned a bachelor of science degree in secondary education earth and space science.He is currently pursuing a master's degree in geosciences through Mississippi State University.A wedding is set for May 4 of this year at Bowling Green Country Club in Front Royal, Va.