John Donvan is a multiple Emmy Award-winning correspondent for ABC and the moderator of the Intelligence Squared U.S. debate series. Follow him on Twitter @johndonvan. Caren Zucker is a Peabody Award-winning 25-year veteran of ABC News, and producer and co-writer of the six-part PBS series Autism Now. Follow her on Twitter @caren_zucker.

The Doctor and the Nazis

Pediatrician Hans Asperger is known worldwide for the syndrome he first diagnosed. The rest of his story—in Vienna during WWII—has only recently come to light.

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