Ronald St. John Macdonald, one of the founders of this Yearbook and of theCanadian Council on International Law, teacher, scholar, judge, and atireless promoter of international law around the world, died on 7 September2006. His contribution is immeasurable and his mark on the Canadianinternational legal landscape is indelible. As a tribute, the Yearbookpublishes this testament by Christian Wiktor, a long-time colleague, toMacdonald's contribution to international legal scholarship.