The fantastic laboratory of Dr. Weigl : how two brave scientists battled typhus and sabotaged the Nazis / Arthur Allen

The story of "Jewish prisoner-scientists in Buchenwald who made a vaccine against ... typhus. Their untold secret: they provided the real vaccine to camp inmates but a fake one to German troops at the eastern front"--Dust jacket back.
Describes the true story of how the eccentric Polish scientist tasked by the Nazis to create a typhus vaccine hid the intelligentsia from the Gestapo by hiring them to work in his laboratory.