We arrived in Philadelphia with plenty of daylight left so took a quick run down town to get a feel for the city. Naturally, I headed first for 33rd and Walnut, the location of the University of Pennsylvania's Moore School of Electrical Engineering. And there was the state historical marker that I wanted to photograph.
If that claim for the first digital computer sounds familiar, it may be because you remember a similar claim that I photographed in Ames, Iowa.
Resolving the conflicts between those two claims requires the skill of a "Philadelphia lawyer." And you can certainly find them advertised here, right alongside the freeways.
And when the holders of Penn's claim sued the rest of the computer industry, Iowa's claim came to light and saved the day.