This document discusses existentialism in literature. It begins by defining existentialism as a philosophy centered on how humans exist and find meaning in the world through free will and choice. It reviews some of the main themes of existentialism like existence preceding essence, individualism, angst, and freedom. It then discusses some key existentialist philosophers like Soren Kierkegaard, Friedrich Nietzsche, Jean-Paul Sartre, and how their works explored existentialist ideas. It also briefly summarizes the existentialist elements found in the works of Fyodor Dostoyevsky.