Professor Emeriti, Mich. St. U. and U of New Mexico

Professor in Analytical Chemistry, National and Kapodistrian University of Athens

Professor (Emeritus) of Chemistry, University of Athens, Greece

Professor of Analytical Chemistry, Federal University of Viçosa, Brazil

Cooperative Institute for Marine and Atmospheric Studies, RSMAS, University of Miami

Professor of Chemistry, University of Arkansas at Little Rock

Dept of Materials Science and Engineering, Universitat Politecnica de Catalunya

Professor of Chemical Engineering, Northeast Electrical Power University

University of the Philippines Los Baños

Chemistry unit Science Laboratory Technology Department, Moshood Abiola Polytechnic …