06 10 21 Sam Kean Christina Hillsberg
Sam Kean: "The Bastard Brigade" - sabotaging the Nazi atomic bomb effort * Christina Hillsberg (CIA): "License to Parent" - a spy's guide to parenting
Sam Kean: "The Bastard Brigade" - sabotaging the Nazi atomic bomb effort * Christina Hillsberg (CIA): "License to Parent" - a spy's guide to parenting