In real life, a distinguished soldier and Great War poet. In the novel, Sassoon is both of these things as well. He is depicted as being truthful, self-composed, morally upright, and slightly arrogant. Though he strongly opposes the war, Sassoon has not had a breakdown, and he feels uncomfortable around the other patients in the hospital. He looks to Rivers as a father-figure. In the end, Sassoon returns to duty, though he maintains his belief that the war is wrong.