Story by: Maureen Cunningham / Photos: Provided by Barrel’s Most Delaware Valley natives alive long enough to remember life before not only smartphones, but also cell and/or car phones, knows that South Philadelphia was always renowned for delicious, authentic Italian cuisine. Long before the hipsters invaded the diverse neighborhoods that border Center City below South Street (Washington Avenue or Tasker Street, depending on who you ask), appetites have been whetted just walking down the street on any given Sunday by the aroma of gravy (yes, I said it) wafting out of homes. Ensconced in this tradition on the corner of a tiny street of row homes on 1725 Wolf Street is…