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.
Sven Ivar Seldinger Sven Ivar Seldinger (19 April 1921 – 21 February 1998), was a radiologist from Mora Municipality, Sweden. In 1953, he introduced the Seldinger technique to obtain safe access to blood vessels and other hollow organs.