1940 Teacher, High Middle School (SMT), Batavia, Java 1942 Lecturer of Physics, Medical High School, Salemba, Jakarta, 1943 Lecturer, Technical High School (STT) Bandung in Yogyakarta, 1946–1948 Professor, STT Bandung in Yogyakarta, June 1948 Dean, Technical Faculty, Universitas Gadjah Mada (UGM), Yogyakarta, 1951–1956 Dean, Faculty of Natural Sciences (FIPA), Gadjah Mada University, Yogyakarta, 1955–1962 Rector, Universitas Gadjah Mada, Yogyakarta, 1961–1966 Coordinator of Higher Education (Koperti), Yogyakarta and Central Java, 1966–1979 Chairman, Regional Science and Development Center (RSDC), Yogyakarta, 1969 Career (others) Member, Central Indonesian National Committee (KNIP), 1945–1946 Minister of Public Works and Energy, Indonesia, 1950–1951 Member, Executive Board of UNESCO, 1954–1957 Member, National Council, 1957–1958 Member, National Development Council (Deppernas), 1958–1962 Member, Supreme Advisory Council (Dewan Pertimbangan Agung or DPA) Indonesia, 1968–1978 Member Commission of Four, 1970 Member, Committee for Technical Terms, Department of Public Works, 1969–1975 Member, Council of Indonesian-Malaysian Language (MABIM), 1972–1977 Member, Indonesian National Research Council, 1985–1992 Military career Head of Arsenal Laboratory, Army Headquarters, Yogyakarta, 1946 Member of Military Academy Troops, Jogjakarta, Sector Sub-Wehrkreise 104, December 1948 – June 1949 Lecturer, Military Academy, Yogyakarta, 1946–1948 Last Rank: Army Major, 1949 Commandant, Yogyakarta Student Regiment (Resimen Mahakarta), 1962–1965 Organizations Christen Studenten Vereniging (CSV), Bandung, 1934 Indonesische Studenten Vereniging (ISV), Bandung, 1934 Timorese Jongeren/Chairman of Timorese Nationalist Group (PKT), Bandung, 1934 Member, Indonesian Young Civil Servants Association (AMPRI), Jakarta, 1945 Chairman, Indonesian Lesser Sunda People's Movement (GRISK), 1947 Founder, Greater Indonesia Party (PIR) 1948 Chairman, Hatta Foundation, 1950–1992 Chairman of Gadjah Mada University Alumni Association (KAGAMA), 1958–1961, 1973–1981 Had been the Head of Yogyakarta's Veterans Legion Had been in the Central Board of the Indonesian Veterans Legion (LVRI) Member of Indonesian Engineers Association (PII) Had been an Hononary Member of the Indonesian Academy of Sciences (AIPI) Decorations Guerilla Medal, 1958 Medal of Indonesian Independence Struggle, 1961 Medal of Wirakarya, 1971 Mahaputra Medal, 1973 Doctor Honoris Causa, Gadjah Mada University, 1975 Veterans Legion Medal, 1981 Honor of Sri Sultan Hamengkubuwono IX, 1991 Indonesian National Hero, 2009 Selected Basics of Modern Physics, (UGM, 1953) Pantjasila in the Words of Sukarno (UGM, 1963) Squeeze Techniques in Bridge (Indira, Jakarta, 1970) Introduction to Mathematics for Economics (with Budiono Sri Handoko; Pustaka LP3ES, Jakarta 1974) Scientific Language Terms (Gadjah Mada University, 1979) Developing Bahasa Indonesia into a Scientific, Aesthetic and Energetic Language, (UGM, 1980) Dictionary of Science and Technology (Indira, Jakarta, 1981) Various Techniques in Chess (Liberty, Yogyakarta, 1989) References 1912 births