Mohammad Yamin was an Indonesian poet, politician, and national hero who played a key role in the writing of the draft preamble to the 1945 constitution.

Abdul Rasjid Siregar gelar Mangaradja Mahkota Soeangkoepon, commonly known as Dr. Abdul Rasjid, was a politician and physician in the Dutch East Indies. He was elected or appointed to the Volksraad from 1931 to 1942, during which time he sat with the Indonesian nationalist faction. During the 1930s, he became convinced that public health and cooperation with traditional healers should be central to the mission of physicians in the Indies.