Sadegh Ghotbzadeh ( Persian : صادق قطب‌زاده , 24 February 1936 – 15 September 1982) was an Iranian politician who served as a close aide of Ayatollah Khomeini during his 1978 exile in France and was foreign minister (30 November 1979 – August 1980) during the Iran hostage crisis following the Iranian Revolution . In 1982, he was executed for allegedly plotting the assassination of Ayatollah Khomeini and the overthrow of the Islamic Republic.