Najaf Qoli Khan Bakhtiari (1851–1931) (Persian

Persian language

Persian is an Iranian language within the Indo-Iranian branch of the Indo-European languages. It is primarily spoken in Iran, Afghanistan, Tajikistan and countries which historically came under Persian influence...

:نجف قلی خان بختیاری) also known Saad ad-Daula and Samsam-os Saltane was an Iran

Iran

Iran , officially the Islamic Republic of Iran , is a country in Southern and Western Asia. The name "Iran" has been in use natively since the Sassanian era and came into use internationally in 1935, before which the country was known to the Western world as Persia...

ian Prime Minister

Prime Minister of Iran

Prime Minister of Iran was a political post in Iran that had existed during several different periods of time starting with the Qajar era until its most recent revival from 1979 to 1989 following the Iranian Revolution.-Prime Ministers of Qajar era:In the Qajar era, prime ministers were known by...

 and a leader of Iranian Constitutional Revolution

Iranian Constitutional Revolution

The Persian Constitutional Revolution or Iranian Constitutional Revolution took place between 1905 and 1907...

. He was elected as Prime Minister for two term. First from 3 May 1909 to 16 July 1909 and second from 23 December 1912 to 11 January 1913. He was a leader of Okhovat Party. He was an representative of Parliament of Iran from Tehran

Tehran

Tehran , sometimes spelled Teheran, is the capital of Iran and Tehran Province. With an estimated population of 8,429,807; it is also Iran's largest urban area and city, one of the largest cities in Western Asia, and is the world's 19th largest city.In the 20th century, Tehran was subject to...

 in the 4th Parliament. He died in 1931 in Isfahan and was buried in Isfahan.