The designer of the state wardrobe of the former Empress Farah Pahlavi of Iran was Iranian designer Keyvan Khosrovani. He was the (unpaid) designer for the Empress, at her behest, for over a decade and, in these creations, he was instrumental in reviving traditional Iranian textile design.
Due to the political regime in Iran, he became exiled from his homeland, and is a long time resident and now citizen of France.
Khosrovani is a designer of many things, including buildings, cultural events and fashion. Throughout his career, he has been an ambassador for Iranian culture and heritage.
There are collections of his royal designs on display at the Niavaran Palace in Tehran and the Musée de la Mode et du Costume de Ville of Paris at the Palais Galliera in Paris.
(The coronation robes of the Empress were not designed by Keyvan Khosrovani but Marc Bohan for Christian Dior and to be featured in another post.)