One of the great luxuries of living in New York City is having access to the Public Library’s extraordinary microfilm collection; it was there that I read the issue of the New York Times on the day the Americans dropped the atomic bomb on Hiroshima. In the Times’ summary of the complex and secret history of the Manhattan Project, one paragraph leapt off the page: “The key component that allowed the Allies to develop the bomb was brought to the Allies by a “female, non-Aryan physicist.’” Who was this woman, I wondered, And why isn’t her face staring out of every science textbook?