Sebastiano Castagna

Sebastiano Castagna was an Italian engineer. He was born in 1868 in Aidone, Sicily. He was murdered in Ethiopia during a peace mission in 1938.
Castagna designed St George's Cathedral, an Ethiopian Orthodox cathedral in Addis Ababa, Ethiopia. It is known for its octagonal shape. It is in the northern part of the city. He built it with the work of Italian prisoners of war who were defeated at the Battle of Adwa in 1896. It is named for Saint George.