A Sept. 3 wedding is being planned by Lisa Gallagher of Renfrew and David Diederich of Newell.

The bride-to-be is the daughter of Bruce and Carol Gallagher of Renfrew. Parents of the prospective bridegroom are Kim and Carolyn Diederich of Newell.

The bride-elect is a 2001 graduate of Seneca Valley High School and a 2005 graduate of Penn State University.

Her fiancé is a 2001 graduate of Frazier High School and a 2005 graduate of Penn State University. He works in the Applied Research Lab at Penn State University, State College.