Hemingway seems to be in a funny position. People nowadays can't identify with him closely as a member of their own generation, and he isn't yet historical.
“Mental states of every kind, - sensations, feelings, ideas, - which were at one time present in consciousness and then have disappeared from it, have not with their disappearance absolutely ceased to exist.”
“But obviously as television began, it so undercut movies that he was trying to think of a way to combine seeing these special things, and the fact that people were just captivated by the magic box.”