Existentialism

How can one explain the concept of "existentialism"?

Some of Greene's views are influenced by high-minded modern philosophies including existentialism. But she is also grounded in the down-to-earth realities of New York City's schools, where she inspired the creation of the High School for Arts, Imagination and Inquiry in 2005.

Existentialism is a humanism.

Martin Heidegger was a German philosopher, born on 26 September 1889 in Messkirch, died on 26 May 1976. He is best known for his contributions to phenomenology and existentialism.

The heyday of existentialism occurred in the mid-twentieth century.

Sartre's existentialism is atheistic, but the existentialism of Marcel is distinctly Christian.

Instead of Existentialism, we should speak of Existentialisms.