Dr. Gerungan Saul Samuel Yagob Ratulangi or Ratu Langie ( 5th November 1890 – 30th June 1949 ) , usually know as Sam Ratulangi , was as Minahasa politician from North Sulawesi , Indonesia . Sam Ratulangi was born in tondano , North Sulawesi , at the time a part of the Dutch East Indies . He graduated from a teacher’s college as a science teacher in 1915 , studied for two more years at the University of Amsterdam , and in 1919 earned his Ph.D. at the University of Zurich , Switzerland.

On his return to Indonesia , he moved to Yogyakarta to teach science at a high school , and then moved on to Bandung to found the insurance company Assurantie Maatschappij Indonesia – the first know instance of the word “Indonesia” being used in an official document .

Appointed to the Volksrad ( the Dutch East Indies’ parliament ) in 1927 , he continued to agitate for equal rights and was one of the founding members of the United Scholars of Indonesia ( Vereniging van Indonesische Academici ) in 1932 . He continued to serve in the Volksraad until 1937 when he was arrested and jailed for several month due to his increasing political involvement . He then became the editor of Nationale Commentaren , a Dutch – language news and magazine .

In early August 1945 , he was appointed as one of the members of the Prepatory Communittee on Indonesian Independence . After Sukarno’s unilateral declaration of Independence on 16 tahun August . Arrested by the Dutch on 5 tahun April 1946 , he was exiled for three years to Serui on Yapen Island , Western New Guinea . Freed briefly in 23rd March 1948 and brought ton Yogyakarta , he was captured again on 25th December 1948 when the Dutch occupied Yogyakarta . Due to his failing health , he was released again in Jakarta in February 1949 where he died on 30th June .

IN August 1961 , Ratulangi was posthumously awarded the title of Pahlawan Kemerdekaan Nasional ( National Independence Hero ) by Sukarno . Manado’s Sam Ratulangi Aiport , the main thoroughfare Jalan Sam Ratulangi and the Sam Ratulangi Urniversty are all named after him .