Margaret

There was no other way, and it was so necessary for me to warn you. I brought Tommy and Linda along to chaperon me.

(She looks curiously around room, specially indicating filing cabinets and the stacks of government reports on table.) Your laboratory.

Knox

Ah, if I were only as great a sociological wizard as Edison is a wizard in physical sciences.

Margaret

But you are. You labor more mightily than you admit—or dare to think. Oh, I know you—better than you do yourself.

Tommy

Do you read all those books?

Knox