Lindsay Allen and Eric Siegel, both of Boston, are engaged to be married.
Miss Allen is the daughter of Bob and Gail Allen of Hollidaysburg.
She is a 2003 graduate of Hollidaysburg Area Senior High School and a 2007 graduate of Kenyon College, Gambier, Ohio, with a bachelor's degree in history and psychology.
Miss Allen is a teaching assistant at Clark University, Worcester, Mass., working on her doctorate in American history.
Mr. Siegel is the son of Herb and Elaine Siegel of Marblehead, Mass.
He is a graduate of Belmont Hill School, Belmont, Mass., and a 2006 graduate of Kenyon College with a bachelor's degree in English.
He is a partner in Ocean Castle, a Boston-based real estate firm.
A fall wedding is being planned.