Mental health experts are currently arguing over whether it is ethical to diagnose Donald Trump from a distance. In 1943, U.S. psychiatrists felt it was their duty to probe the mind of the madman across the water.

The Nazis, with their absurd committees and purity tests, never understood that great art is always a mongrel business — successful artists steal from their predecessors, other media, and anything in creation that will help to synthesize something rare and gripping