The most active period of new construction in Isfahan took place during Fath Ali Shah's reign in the early nineteenth century. The Guarded Domain's political consolidation inaugurated a period of renewed self-confidence. For Isfahan this meant restoring its former magnificence as well as making a contemporary imprint on the city's appearance. Hajji Muhammad Hussain Khan [Sadr] has been credited with the initial revitalization of Isfahan at the beginning of the century.
References
Haji Muhammad Hussain Khan Nezam al-Daula Wikipedia(Text) CC BY-SA