On their second day, a withered phrenologist gives a presentation to the entire student body. The lights in the refectory dim, a projector whirs, and a chart full of circles appears on the far wall. The old man stands beneath the projection screen and whisks the tip of a billiards cue through the grids. “White circles represent pure German blood. Circles with black indicate the proportion of foreign blood. Notice group two, number five.” He raps the screen with his cue and it ripples. “Marriage between a pure German and one-quarter Jew is still permissible, you see?” A half hour later, Werner
  
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