Professor of Applied Mathematics, University of Liverpool

Professor of Applied Mathematics/Mathematical Biology, Utah State University

Emeritus Professor of Applied Mathematics, University of Oxford

Professor of Applied Mathematics, University of Southampton

RWTH Aachen University

Adjunct professor, Technische Universität Berlin

Peoples' Friendship University of Russia

Department of Physics, Research Center Enea

Professor of Mathematical Sciences, University of Delaware

Professor (emeritus) of Physics, Technion, Israel Institute of Technology