This book is a comprehensive study of one of the most insightful and fertile but also most neglected philosophers of the twentieth century, Susanne Langer. Failure to recognise Langer's seminal philosophical sources has led to frequent misinterpretations and misunderstandings of her unique philosophical thought. Beginning with an overview of Langer's life and education, this study provides a much-needed explanation of how Langer's thinking was shaped by four seminal sources: her mentors Henry Sheffer and Alfred North Whitehead and the European philosophers Ernst Cassirer and Ludwig...