It is such a shame that Iran is so closed off from the world, this country has so much culture and history they could make so much more of this, esp from students studying a wide range of subjects, tourism, research etc.
Hopefully one day the country will open up and in their own way embrace this, and sure I don't expect them to fully westernise, visitors should respect the laws of the country, but that is a small price to pay to be able to visit what looks like a wonderful, colourful country with fantastic history, that region owes so much to the world, e,g writing for one.