This is a comprehensive review of the psychological literature on wisdom by leading experts in the field. It covers the philosophical and sociocultural foundations of wisdom, and showcases the measurement and teaching of wisdom. The connection of wisdom to intelligence and personality is explained alongside its relationship with morality and ethics. It also explores the neurobiology of wisdom, its significance in medical decision-making, and wise leadership. How to develop wisdom is discussed and practical information is given about how to instil it in others. The book is accessible to a wide readership and includes virtually all of the major theories of wisdom, as well as the full range of research on wisdom as it is understood today. It takes both a basic-science and applied focus, making it useful to those seeking to understand wisdom scientifically, and to those who wish to apply their understanding of wisdom to their own work.