Refers to those who returned from WWII. It carries a heavy irony; they survived, but they are haunted. "To land on your feet"
In "One of the Few," the ticking clock represents the character's internal pressure cooker. pink_floyd_final_cut_3_one_of_the_few
Listen for the shift from the Teacher's public persona back to his private, war-torn memories. Refers to those who returned from WWII