Supermind

Transcriber’s Note:
This etext was produced from the 1963 book publication of the story. Extensive research did not uncover any evidence that the copyright on this publication was renewed.
Minor spelling and typographical errors have been corrected without note.
The word “PLaza” (two capital letters) was correct usage to designate a telephone exchange at the time the story was written. It has been left as printed.
Mark Phillips
In 1914, it was enemy aliens.
In 1930, it was Wobblies.
In 1957, it was fellow travelers.
In 1971, it was insane telepaths.
And, in 1973:
“We don’t know what the hell it is,” said Andrew J. Burris, Director of the FBI. He threw his hands in the air and looked baffled and confused.
Kenneth J. Malone tried to appear sympathetic. “What what is?” he asked.