His fears were well founded. The young man wheeled on Scientist Norcross the minute he stepped through the hedge into the force field under the giant live oak tree.

"Where are they?" he demanded. "I am coming to believe, Scientist, that your reputation is exceeded only by your inability to live up to it. The problem is only an extension of your own early work. You volunteered cooperation, and I accepted it gladly, but your delays are very distressing!"

"Johnny," said Scientist Norcross, "the press of my own experiments—"

"Then tell me you won't do it!"

"I want to help you. Don't you remember the years we spent together in your training to the high calling of scientist? I took your young hand, Johnny, and helped you over the juvenile stumbling blocks. Why, your first mind machine was one I gave you, and when—"

"You're a fraud, Scientist!" said the young man bitterly.

"The young never appreciate the old," sighed Norcross.

"Go suck a mango!"

Norcross was shocked. "There's no call for being obscene, John Davis Drumstetter," he said sternly. "To mention eating to another person, and right in public, where you might be overheard—"

"Eat a slippery, sloppery mango on television, you old fool! Smear it all over your face while you ingest it into your unspeakable digestive tract!"