Those Who Served: North Sewickley Twp. native served military, medicine, politics By Louise Carroll Special to The Ledger NORTH SEWICKLEY TWP. – Township native Dennis Shingleton has spent his adult life serving his country and his community. The 1965 Riverside High School graduate has served in the Navy, the Army and as a city councilman and mayor pro-tem of Fort Worth, Texas, the 13th largest state in the United States. Shingleton's journey began when he was attending Duquesne University and got a low number in the draft. "I was certain I didn't want to go in the Army. My father had been ...