Morteza Sadouqi Mazandarani was born in 1946.

'Ali Vahid Mazandarani has written:

'Qarar dad 1907' -- subject(s): Foreign relations, Great Britain, Iran, Russia

there are 8 nation in Iran which are Mazandarani, Kord, Gilaki, Azeris, Lor, Balochs, Pars, and Arabs.

Fars is correct.

No. Iran does not have an Arab majority. It is a mix of Persians (who form the majority), related peoples like Kurds and Mazandarani, Türkic peoples like the Azeris and the Qashqai, and minorities like the Arabs and the Balochis.

Persians (also called Fars) form the majority ethnic group in Iran, but there are numerous important minorities, including: Azeris, Kurds, Arabs, Lur, Balochis, Qashqai, Turkmen, Gilaki, Mazandarani, Talysh, and Pashtun.