National Science Foundation (on leave from Southwestern College)

Professor of Science Education

Emeritus Professor of Science Education, University of Cambridge

Professor in Department of Chemistry Education, Seoul National University

Educational Sciences (Science Education), Faculty of Education, Bilkent University

Institute for Science Education, University of Bremen

NTNU Chair Professor,Graduate Institute of Science Education, National Taiwan Normal

PhD, Scientist, Researcher in Chemistry and Science education, Weizmann Institute of …

Professor, Department of Chemistry and Biochemistry, University of Arizona

Trabzon Üniversitesi