20th Century
A Mushroom Hunter's Notebooks Mapped a Way Into Nazi Germany
A mycologist's field notes from 1938 handed the Allies the key to breaking into Nazi Germany—without his ever meaning to.
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Download on the App StoreWorld War IINazi GermanyAllied IntelligenceSwitzerlandEspionageBotanical ResearchBorder SecurityBlack ForestIntelligence OperationsUnintended Consequences
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