The Ugly Urchin by Klaus Fooks

Klaus fooks lost contact with soviet agent harry gold when he left new york. Fooks was one of the four people who worked on the shape and composition of that urchin. The speed and scale of developments at los alamos are breathtaking. And klaus is in the beating heart of it all, but he has nobody to share his insights with. In february 19 forty five harry gould finally makes a visit to his sister cristol.