Avi Wolfman-Arent

The armonica was invented in London, but its founder called Philadelphia home.

Hog Island transitioned from its farming past and the country’s industrial future.

The 1974 ordination of the “Philadelphia Eleven” defied centuries of tradition and was initially rejected by church officials.

When the phasmatrope was first demonstrated at the Academy of Music, local papers hailed it as the first of its kind.

Local authorities proposed building 2,500 units in mostly white neighborhoods. Racism kept it from happening.

A government employee and inventor named Joseph Saxton captured the image, which shows Central High School and the Pa. Arsenal.

It took place annually from 1971 through 1998, when it folded because it had inspired so many copycats.

The 1955 case of Doris Jean Ostreicher became a media sensation, and ended up sending a saloon manager and his wife to jail.

She was the first Black woman in Pennsylvania history to hold a cabinet position, and is remembered for much more.

Delaware couple John and Mary Dunning did not have a happy marriage.

It took two court battles, including a Supreme Court case, to change the status quo at what was considered a bastion of academic excellence.

The Fab Four rode into town on the back of a fish truck, per famed Philly DJ Hy Lit.