Ideas are a main driving force in human progress and also one of the world organ - ization’s most important contributions over the last six and a half decades, which is the central finding by the independent United Nations Intellectual History Project (UNIHP).1 The project’s 17 volumes and oral history archive provide substantive accounts of the UN’s work in major areas of economic and social thinking and action, as well as in related areas where the boundaries of peace and development intersect-namely, human security, human rights, preventive diplomacy, and global governance.2