author - "Raymond King Cummings"

theories. What I saw through that ultramicroscope was not an unproven theory, but a fact. My theories you have brought out by your questions.""You are quite right," said the Doctor; "but you did mention yourself that you hoped to provide proof." The Chemist hesitated a moment, then made his decision. "I will tell you the rest," he said. "After the destruction of the microscope, I was quite at a loss how to proceed. I thought about the problem for many