"This is a big thing," he told Paul after Grayson was finished.

"It is my greatest hope realized."

"We have a lengthy paper on extra-solar gravitational phenomena to be presented next Tuesday. I am going to cancel that for your presentation." Thorndyke looked at the ceiling. "The chance of voice communication with Neosol is as great an advancement as the discovery of the telegraph," he said. "It must not be delayed one moment!"

"I've always believed that," said Paul.

"Why didn't you speak up before?"

"Doctor Haedaecker has always vetoed any such suggestion."

"Why, for the Love of Heaven?"

"He said that everything had been tried."

"Balderdash!" exploded Thorndyke. "Negative evidence is never conclusive!"

"I could not argue with him."