THE RUDOLF REPORT

5. AUSCHWITZFig. 22: Ground plan of crematorium I Auschwitz I Main Camp afterconversion to air raid shelter, 1944. 1661: Sluice; 2: Operating room; 3: Former washroom, now air raid shelter withtoilet; 4: Air raid shelter; 5: Former oven room.gassings, as well as two hatches for the incorporation of heavy ventilators.163 The head of the Auschwitz Museum, Franciszek Piper, howeveris of the opinion that: 164“In the case of Crema I there were no ventilators. The doors wereopened and the gas was allowed to ventilate by convection.”Pressac reproduces a photo of the roof of the crematorium, takenby the Soviets shortly after the liberation, in which three dark spots onthe roofing felt are alleged to be troughs of former Zyklon B introductionholes, allegedly now covered up. 163,165 The photograph reproducedin his book is, however, too poor in quality to permit anything to be163 Ibid., pp. 131f.164 D.D. Desjardin, “My Visit to Auschwitz-Birkenau, May 30-31, 1996”, Interview mit F. Piper,online: codoh.com/newrevoices/nddd/ndddausch.html.165 J.-C. Pressac, op. cit. (note 67), p. 149; photograph of the roof of crematorium I immediatelyafter the liberation.81