- Jean Paul Sartre was a French philosopher born in 1905 who was influential in fields like sociology, critical theory, and literary studies.
- His most influential work focused on existentialism and the idea that "existence precedes essence," meaning we define ourselves through our actions rather than having a pre-defined essence.
- In 1944, he wrote the existentialist play No Exit, where three deceased souls are placed in a room together in hell as a form of punishment, tormenting each other for eternity. This work was seen as a clear representation of his philosophy.