Comparison of Positions of Karim Sanjabi and Shahpour Bakhtiar toward Islamic Revolution of Iran

This article attempts to answer to this question: why in spite of their many similarities, their presence in National Front for 30 years, and their same political orientations, Karim Sanjabi joined the revolution and and Shahpour Bakhtiar supported the Shah? This article, using comparative method, intends to analyze the specific intellectual and behavioral aspects of their personality. This article shows that Ayatollah Khomeini caused differences between these two persons, and therefore National Front could not play its own role.