The Science History Institute is an institution that preserves and promotes understanding of the history of science. Located in Philadelphia, Pennsylvania, it includes a library, museum, archive, research center and conference center.

Chestnut Street is a major historic street in Philadelphia, Pennsylvania. It was originally named Wynne Street because Thomas Wynne's home was there. William Penn renamed it Chestnut Street in 1684. It runs east–west from the Delaware River waterfront in downtown Philadelphia through Center City and West Philadelphia. The road crosses the Schuylkill River on the Chestnut Street Bridge. It serves as eastbound Pennsylvania Route 3 between 63rd and 33rd Streets.