Philadelphia Reflections

The musings of a physician who has served the community for over six decades

Related Topics

Computers, Digital Cameras, and Cellphones
Much of the early development of the electronic computer took place in Philadelphia. We lost the lead, but it might return.

Round the Block in Haddonfield

Google maps themselves contain a certain amount of inaccuracy, so precision mapping of this walk around the block gives a somewhat ragged picture.

Originally published: Saturday, November 17, 2007; most-recently modified: Wednesday, June 05, 2019