Over many years, Jim calmly delivered evaluations of World Heritage nominations to the joy or despair of States Parties. I observed this consistent professional approach to the task from 1987 until he stepped down from that role. His enthusiasm and knowledge of the world's natural ecosystems will be missed. You can hear his reflections looking back on his career in 2010 at https://whc.unesco.org/en/oralarchives/james-thorsell