Johannes Leimena

Johannes Leimena, more colloquially referred to as Om Jo, was an Indonesian politician, physician, and national hero. He was one of the longest-serving government ministers in Indonesia, and was the longest-serving under President Sukarno. He filled the roles of Deputy Prime Minister and Minister of Health. An Ambonese Christian, he served in the People's Representative Council and the Constitutional Assembly during the 1950s, and was the chairman of the Indonesian Christian Party from 1951 until 1960.