Anthemius of Tralles and Isidore of Miletus
The mathematician and architect who designed Hagia Sophia under Justinian.
A vast dome and pendentives opened the spatial order of an imperial cathedral.
Earthquakes and repairs form part of its structural history.
The building stands in textbooks as a summit of Byzantine architecture.
It profoundly influenced later mosques and domed buildings.
Because biographical evidence is limited, they are studied primarily through the work.
