Content created by Professor Deborah Lipstadt in conjunction with Maureen MacLaughlin and Dan Leshem. CLAIM: Carlo Mattogno, an Italian Holocaust denier, used complicated calculations to allegedly 'prove' the ovens at Auschwitz-Birkenau couldn't possibly have cremated some 1.1 million bodies.

RESPONSE: Historical evidence shows that when the available ovens at Auschwitz-Birkenau couldn't handle the load, open-air pit burning was used. Photographs from the air and on the ground show the open-air pit burning process and eyewitness evidence supports them.