He's not just significant in Philadelphia; he's significant as a national figure.

We are very involved in the process of finding out what's do-able.

Here we have a chance to look at the street system, public open space, to ask ourselves what are the things there we want to keep of great historic and cultural significance.

We are looking for the best ideas wherever they can be found.

From that point on, his plan was very clear how the city should progress.

He told me when he was a little boy, he went to the top of City Hall and looking out on the city, he understood the plan William Penn laid out.