At 21, John Loonstyn became a bit of a local celebrity when photos of him perched on the side of City Hall's tower, installing metal plates during its restoration, appeared in The Inquirer and Philadelphia Daily News.
Loonstyn brothers (from left) Joe, John, and Bill have developed two late-19th-century houses on Spring Garden Street at 21st Street. The nine-foot-tall windows were original and have been upgraded with insulated glass.Read more
