Felice Morgenstern (1926–2000) was educated at Cambridge University, was the first female Whewell scholar at Cambridge (in 1948), and subsequently spent some three decades as a legal officer with the International Labour Organization in Geneva. Jan Klabbers is Professor of International Law at the University of Helsinki. He is the author of a number of articles on international organizations law, authored An Introduction to International Organizations Law (4th edn, CUP 2022), and edited The Cambridge Companion to International Organizations Law (CUP 2022).