Hanover is obsessed with the idea that he's uniquely qualified to treat his patients, and is eventually killed by one. Lenore is obsessed with killing Dr. Hanover as a gift to her son. When she does finally get her wish, Henry responds by revealing his hatred of her for how he's treated her, before having her murdered.

Does Dr. Hanover die in Ratched?

Well's quickly descended back into her previous self, however, and on one ocassion was overcome by both Ondine and Apollo simultaneously. It was in this grievous moment that she accidentally murdered Dr. Hanover in cold blood.

What did Dr. Hanover do to the boy in Ratched?

Henry was a disturbed child who frequently pricked, burned, and assaulted people. Henry slipped Dr. Hanover an entire bottle of LSD while he wasn't looking. Henry murdered and cut off the arms of his gardener and asked the doctor to attach them to him.