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Volker Janssen

Volker Janssen is a professor of California State University Fullerton who specializes in the social, economic, and institutional history of California.

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When Polio Triggered and Panic Among Parents in the 1950s

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When Polio Triggered Fear and Panic Among Parents in the 1950s

Since little was understood about the virus that left some paralyzed and others dead, fear filled the vacuum.

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Dresden Bombing

Why Was Dresden So Heavily Bombed?

By the end of the three-day Allied bombing attack, the German city had been leveled and tens of thousands were dead.

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How the ‘Little Green Men’ Phenomenon Began on a Kentucky Farm

The 11 witnesses who arrived at the Hopkinsville police station were genuinely terror-struck.

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California's Inmate Firefighters

California Wildfires Have Been Fought by Prisoners Since World War II

The war had turned forestry work into a form of civil defense, and prisoners a new army on the home front.

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