An american from Indiana University in Bloomington, Indiana. USA
Distinguished Professor and Mann Chair of Chemistry at Indiana University in Bloomington, Indiana. His research interests include the investigation of basic mechanisms in atomic emission, absorption, fluorescence and mass spectrometric analysis and the development of instrumentation and techniques for atomic and molecular methods of analysis. He has authored over 600 publications, 10 books, and 18 patents. More than 68 students have received doctorates under his direction.