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Index/Topics/Leuchter study

Leuchter study

A study that attempted to argue against the use of gas chambers at Auschwitz-Birkenau based on flawed sampling and methodology.

Fact-Checks

3 results
Jan 13, 2026
Most Viewed

What are the primary claims Holocaust deniers make about gas chambers and Auschwitz?

Holocaust deniers advance a clustered set of claims about Auschwitz and its gas chambers: that homicidal gassings did not occur there, that physical and chemical evidence contradicts extermination use...

Jan 13, 2026
Most Viewed

What forensic methods were used in 1945–1946 to detect cyanide residues in former gas chambers and how reliable are those results?

The immediate post‑war forensic work (1945–46) that sought chemical traces of hydrogen cyanide (Zyklon B) used at Auschwitz and other camps combined visual observation of Prussian blue staining, chemi...

Jan 8, 2026

How have forensic investigations and chemical analyses of camp sites refuted claims that gas chambers were non-functional?

Forensic fieldwork, chemical assays, and engineering reconstructions have repeatedly contradicted the claim that Auschwitz and other Nazi camp gas chambers were “non‑functional,” demonstrating both ph...

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