. What would you say if I told you that cosmic rays are the very source of life and energy in the universe?"

Trent whistled judiciously, and noted that Gaddon's face smiled at the apparent surprise Trent evinced.

"You find that a startling statement?"

Trent nodded. "I'd say that it sounded like the beginning of a very interesting theory."

"And you would be right," Gaddon replied, warming to his subject. "It is my contention that the cosmic rays will prove to be the fountain of youth that men have sought through the ages. That they will react on the glands of a living creature and produce immortality.

"Now take your choice. Whose theory would you rather believe? Mathieson's idiotic claims of a death ray, or mine as a source of the utmost benefit to science?"

Trent took a moment before replying. When he did so, he spoke with tact, and also with the feeling that his trip to Fenwick's office had proven very valuable. For there was a story here. A big story.

"I'd say, doctor, that I'd like to believe your theory was correct. But isn't it a little premature to be so definite about it?"

Gaddon snorted. "No more premature than Mathieson's. And I'll tell you something else, Trent. You may not realize it, but you're about to take part in what may be the biggest story of the century. And when it breaks, you'll remember our conversation here. I intend to prove that your American scientists are wrong."

Trent noticed the personal emphasis that Gaddon put in his last statement, but he was drawn away from the conversation as he turned the coupe into the guarded entrance to the proving grounds.

There was a moment of credential flashing to the guards, and a respectful salute to the scientist in the car beside Trent. Then Trent moved his coupe through the entrance and up the cement roadway to the Administration building.

As Gaddon got