"Then I am a tin man?"

"Well, no. Actually only seventeen percent metal. And less than a third of one percent tin. You are compounded of animal, vegetable, and mineral fiber, and there was much effort given to your manufacture and programming. Yet the taunt of the children is essentially true."

"Then, if I am only Tony the Tin Man, how can I know all the people in the world in my mind?"

"You have no mind."

"In my brain then. How can all that be in one small brain?"

"Because your brain is not in your head, and it is not small. Come, I may as well show it to you; I've told you enough that it won't matter if you know a little more. There are few who are taken on personally conducted sight-seeing tours of their own brains. You should be grateful.

"Gratitude seems a little tardy."

They went into the barred area, down into the bowels of the main building of the center. And they looked at the brain of Anthony Trotz, a restricted person in its special meaning.

"It is the largest in the world," said Colonel Cooper.

"How large?"