Research Chemist, Linde Company, Union Corporation (1960-1961) Postdoctoral Research Associate, Departments of Chemistry and Biology, Massachusetts Institute of Technology (1961-1964) Assistant Professor of Biophysics, Department of Biophysics, University of Pittsburgh (1964-1967) Associate Professor of Molecular Biology, Department of Biophysics and Microbiology, University of Pittsburgh (1967-1970) Acting Chairman, Department of Biophysics and Microbiology, University of Pittsburgh (1967-1969) Professor of Molecular Biology, Department of Biophysics and Microbiology, University of Pittsburgh (1971-1975) Professor of Molecular Biology, Department of Biological Sciences, University of Pittsburgh (1976-1979) Professor and Head, Department of Biological Sciences, Carnegie Mellon University (1979-1986) Alumni Professor of Biological Sciences, Director, Pittsburgh NMR Center for Biomedical Researches, Carnegie Mellon University (1985-) Director, Institute of Molecular Biology, Academia Sinica, R.O.C. (1990) |