She led him out the back door and across the frozen ground past several buildings. They reached what once must have been an athletic field.
"At the far end," she said. "Come on."
"Where were you when your boy friend and his daredevil aces came over?"
"I saw them."
"Did they see you?"
"None of your business."
He shrugged. They were at a section of the grandstand at the end of the field. Jen Jervis indicated a door and Don opened it. It led to a big room under the stands. "What does this remind you of?" she asked.
Don looked blank. In the dim light he could see some planking, a long-deflated football, ancient peanut shells and an empty pint bottle. "I don't know. What?"
"Stagg Field? At the University of Chicago? Under the stands where they first made an atomic pile work?" She looked at him with the air of an investigator hot on the scent.
He shrugged. "Never been there. So what?"