Ah, yeah, that's what I get for trying to jump into a subject while I'm at work. I didn't notice the OP was specifically about Pervitin. I'll have to look to take a more in-depth look into it later.
Even if the open windows of science at first make us shiver after the cozy indoor warmth of traditional humanizing myths, in the end the fresh air brings vigor, and the great spaces have a splendor of their own - Bertrand Russell