I stared at Susan Calvin. I was horrified. Is that true? I asked.
Was Byerley a robot? we can never be completely sure she replied. I think that he was. But when he died Byerley's body was destroyed. Nobody will ever be able to prove if he was a robot or a human. Anyway it wasn't a problem was it? well Isaid. Stephen Byerley was a very good mayor. And five years later he did become Regional Coordinator Calvin said.