What town on the Castletown River was the home of a famous radiologist who lived from 1900-1979
Peter Kerley Sir Peter Kerley CVO (1900–1979) was a radiologist from Dundalk, Ireland.
1948 Donora smog The 1948 Donora smog was a historic air inversion that resulted in a wall of smog that killed 20 people and sickened 7,000 more in Donora, Pennsylvania, a mill town on the Monongahela River, 24 mi southeast of Pittsburgh. The event is commemorated by the Donora Smog Museum.