Professor of Microbiology, University of Illinois at Urbana-Champaign

Professor of Genetics and Microbiology, University of Vienna, Austria

Professor Emeritus, Archaea Centre, Department of Biology,, Copenhagen University

University of St Andrews

Professor of Microbiology and Immunology, University of Maryland, Baltimore

Professor of Biological Chemistry, Kyushu University

University of Freiburg, Institute of Biology II, Microbiology

University of Texas Austin, Marine Science Institute

Professor Mol. Mikrobiologie, CAU Kiel

Institut Pasteur