Stereotypically, when one thinks of Philadelphia during the 19th century, an image comes to mind of a sophisticated urban area, filled with scientific, educational & cultural institutions, legacies derived in part from the preceding century, when such enlightened events as the signing of the 'Declaration of Independence' and the 'Constitutional Convention' transpired, a city which at at one time served as the capital of our nation, a metropolis blessed with famed citizens like Benjamin Franklin and Dr. Benjamin Rush.