Dr. Hauptmann peels off his brass-buttoned coat and hangs it over the back of a chair. He orders the cadets in Werner’s class to collect hinged metal boxes from a locked cabinet at the back of the laboratory. Inside each are gears, lenses, fuses, springs, shackles, and resistors. There’s a fat coil of copper wire, a tiny instrument hammer, and a two-terminal battery as big as a shoe—finer equipment than Werner has had access to in his life. The little professor stands at the chalkboard drawing a wiring schematic for a simple Morse-code practice circuit. He sets down his chalk, presses his
...more
