What town on the Castletown River was the home of a famous radiologist who lived from 1900-1979
Dundalk Dundalk ( , Irish: "Dún Dealgan" , meaning "Dalgan's fort" ) is the county town of County Louth, Ireland. It is on the Castletown River, which flows into Dundalk Bay, and is near the border with Northern Ireland, halfway between Dublin and Belfast. It has associations with the mythical warrior hero Cú Chulainn.
New Castle, New Hampshire New Castle is a town in Rockingham County, New Hampshire, United States. The population was 968 at the 2010 census. It is the smallest and easternmost town in New Hampshire, and the only one located entirely on islands. It is home to Fort Constitution Historic Site, Fort Stark Historic Site, and the New Castle Common, a 31 acre recreation area on the Atlantic Ocean. New Castle is also home to a United States Coast Guard station, as well as the historic Wentworth by the Sea hotel.