How does the existentialism found in Sartre, de Beauvoir, and Camus manifest the heroic trait of taking total responsibility for one's own personal

How does the existentialism found in Sartre, de Beauvoir, and Camus manifest the heroic trait of taking total responsibility for one's own personal identity as the only authentic possibility for human existence? Provide your personal opinion of this view of heroism. How do the works of Faulkner and Beckett relate to existentialism? Are they a continuation, or are they a challenge?(Subject:Humanities)

Answer‘Existentialism’ could be described as; ‘a philosophy which came in to existence due to thetrouble of post-war Europe’, because of which there occurred a loss of faith in progress...