The Religion of Existence reopens an old debate on an important question: What was existentialism?

At the heart of existentialism, Noreen Khawaja argues, is a story about secular thought experimenting with the traditions of European Christianity. This book explores how a distinctly Protestant asceticism formed the basis for the chief existentialist ideal, personal authenticity, which is reflected in approaches ranging from Kierkegaard's religious theory of the self to Heidegger's phenomenology of everyday life to Sartre's global mission of atheistic humanism. Through these...