[1] A former Selangor state executive council member for Agriculture, he quit ruling party Umno alongside federal minister Aziz Ishak and was later a political detainee for over three years.
[2] After his release, he became the leader of the left-wing Parti Sosialis Rakyat Malaysia for eight years until his death [2] He was born in 1922 in Kampung Batagak, West Sumatra, Indonesia.
For Kampo Radjo a flash point occurred on December 4, 1962 during a vote for Selangor Assembly speaker when Alliance representatives revolted against the party's choice.
[2] The NCP joined the left-wing Malayan Peoples' Socialist Front together with the Labour Party of Malaya and Partai Ra'ayat to contest the 1964 general elections.
[2] On Jan 26, 1965, Kampo Radjo was detained under the Internal Security Act (ISA) along with many other Socialist Front leaders like Aziz Ishak and Pak Sako.
In that election, he ran for the Dungun parliamentary constituency, losing heavily by 7,501 votes to PAS incumbent Abdul Wahab Yunus who was contesting on a Barisan Nasional ticket.