«The Eternity of Forms» is a short story by Jack London․ A strange life has come to an end in the death of Mr. Sedley Crayden․ Mild, harmless, he was the victim of a strange delusion that kept him pinned, night and day, in his chair for the last two years of his life. The mysterious death, or, rather, disappearance, of his elder brother, James Crayden, seems to have preyed upon his mind.