difference, and though he had refined his work as well as he could, any first model of any equipment was bound to be relatively insensitive.

But as he walked along, he found himself chilled and repelled by what he saw.

Nothing was the same. Nothing. Even the layout of the streets had changed a little. There were new buildings everywhere—new buildings of a style and workmanship that had made them old in atmosphere the day they were completed. It was the kind of total reconstruction that he had no doubt the builders stubbornly proclaimed was "Good as New," because to say it was as good as the old Berlin would have been to invite bitter smiles.

The people in the streets were grim, gray-faced, and shoddy. They stared blankly at him and his suit, and once a dumpy woman carrying a string bag full of lumpy packages turned to her similar companion and muttered as he passed that he looked like an American with his extravagant clothes.

The phrase frightened him. What kind of war had it been, that there would still be Americans to be hated in Berlin in 1958? How long could it possibly have lasted, to account for so many old buildings gone? What had pounded Germany so cruelly? And yet even the "new" buildings were genuinely some years old. Why an American? Why not an Englishman or Frenchman?

He walked the gray streets, looking with a numb sense of settling shock at this grim Berlin. He saw men in shapeless uniform caps, brown trousers, cheap boots and sleazy blue shirts. They wore armbands with Volkspolizei printed on them. Some of them had not bothered to shave this morning or to dress in fresh uniforms. The civilians looked at them sidelong and then pretended not to have seen them. For an undefinable but well-remembered reason, Professor Kempfer slipped by them as inconspicuously as possible.

He grappled at what he saw with the dulled resources of his overtired intellect, but there was no point of reference with which to begin. He even wondered if perhaps the war was somehow still being fought, with unimaginable alliances and unthinkable antagonists, with all resources thrown into a brutal, dogged struggle from which all hope of both defeat and victory were gone, and only endless straining effort loomed up from the future.

Then he turned the corner and saw the stubby military car, and soldiers in baggy uniforms with red stars on their caps. They were parked under a weatherbeaten sign which read, in German above a few lines in 

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