One photograph below portrays a hostage-taking zealot humiliating a diplomat during the Iranian revolution and the other shows the recently elected President of the Islamic Republic.
BBC journalist John Simpson thinks they might be the same person:
Looking back 20 years, it seemed to me I must have met him at the former US embassy, which had been taken over by revolutionary students some years earlier; but after two decades precise memories fade, and I can’t be absolutely certain.
Make up your own mind.