George P. Fletcher, Professor of Law at Columbia University, is one of the preeminent scholars of criminal law in the English language. His Rethinking Criminal Law (OUP 2000) and The Grammar of Criminal Law (OUP 2007) are regarded as the leading works in the theory of criminal law and comparative criminal law.
Jens David Ohlin is Assistant Professor of Law at Cornell University. He is an expert in international criminal law and has published articles on subjects ranging from genocide, war crimes, conspiracy, international law and human rights.