Dieter Nohlen is Professor of Political Science at the University of Heidelberg and a well known expert on electoral systems, regime change, and democratization processes, and development studies with a focus on Latin America. He received the Max Planck prize for internationally outstanding research in 1991. His numerous books include Wahlsysteme der Welt (1978; Spanish edition 1981), Sistemas electorales y partidos políticos (3rd edition 1998), Elections and Electoral Systems (1996). He is also coeditor of an eight-volume Handbook of the Third World (with F. Nuscheler, 3rd edition 1991-1994) and editor of a seven-volume Encyclopedia of Political Science (1992-1998).
Florian Grotz (Ph.D., University of Heidelberg, 1999) is Assistant Professor of Political Science at the European Centre for Comparative Government and Public Policy, Free University of Berlin (Germany). His research has focused on electoral systems, party systems, and on institutional aspects of political development in Western and Eastern Europe. He has published several articles on elections and electoral systems and is author of a book on political institutions and party systems in post-communist East Central Europe (2000).
Christof Hartmann (Ph.D.) is Senior Research Fellow at the Institute of Development Research and Development Policy, Ruhr University of Bochum (Germany). He holds a master's degree (1994) and a Ph.D. (1998) in Political Science from the University of Heidelberg. He has worked on regime change and democratization, development issues and conflict resolution in Sub-Saharan Africa and Asia. He is author of a book on the international dimension of political transitions in Benin, Côte d'Ivoire, Kenya, and Uganda (1999).