Jean-Paul Sartre is widely regarded as the father of Existentialism, a philosophical movement that emphasizes the importance of individual existence, freedom, and choice.

Existentialism is primarily concerned with the question of the meaning of life and the search for authentic existence.

Edmund Husserl is credited with coining the term 'Phenomenology', a philosophical method that seeks to describe and analyze conscious experience.

Phenomenology is primarily concerned with the structure of consciousness and the way in which it shapes our experience of the world.

Martin Heidegger is known for his concept of 'Being-in-the-world', which emphasizes the interconnectedness of human existence and the world.

Post-Structuralism is primarily concerned with the deconstruction of language and the way in which it shapes our understanding of the world.

Jacques Derrida is widely regarded as the father of Post-Structuralism, a philosophical movement that emphasizes the deconstruction of language and the instability of meaning.

Deconstruction is primarily concerned with the deconstruction of language and the way in which it shapes our understanding of the world.

Jacques Derrida is known for his concept of 'différance', which refers to the inherent deferral and displacement of meaning in language.

Continental Philosophy is primarily concerned with the human condition, including themes such as existence, freedom, meaning, and alienation.

Friedrich Nietzsche is known for his concept of 'the will to power', which refers to the fundamental drive that motivates all human action.

Absurdism is primarily concerned with the meaninglessness of life and the search for meaning in a seemingly meaningless universe.

Friedrich Nietzsche is known for his concept of 'the eternal return', which refers to the idea that all events in the universe will repeat themselves infinitely.

Existentialism is primarily concerned with the question of the meaning of life and the search for authentic existence.

Martin Heidegger is known for his concept of 'being-towards-death', which refers to the fact that death is an essential part of human existence.