THE BRAIN COLLECTOR! What had become of Dr. Sven Helson, inventor of the remarkable Helson lamp? What mystery surrounded the disappearance of Professor Chiozza, the scientist who developed the starship, Stratoplane? Nayland Smith posed these questions to Morris Craig whose own invention, the transmuter, could make nuclear warfare obsolete. If someone was kidnapping the greatest scientific minds in the world, Craig was certainly a candidate. In the laboratory of Dr. Fu Manchu great men...