There is no single definition of "Holocaust denial" or the individuals who preach it. However, scholars might define it simply as the claim that the Nazis had no plan to exterminate the Jews, that numerous allegations of mass killings via gas chambers are false, or that the figure of 6 million Jews murdered is a irresponsible exaggeration.1 Many Holocaust deniers believe that the Holocaust is a means of deception, created by the Soviet Communists, Allies and Jews to contain the terrible truth of their own misdeeds. In particular, three historians, Nicholas Kollerstrom, Robert Faurisson and David Irving, highlight revisionist views on the sensitive topic of the Holocaust and why they consider it a myth. The English writer and historian Nicholas Kollerstrom was an honorary researcher in the field of science and technology. program at University College London, when he lost his partisan stance in 2008 after publishing an article titled The Auschwitz "gas chamber" illusion on a website known for its Holocaust denial,2 in which he stated that there are no documents proving that the gas chambers ever existed. Kollerstrom respected the assessment of Fred Leuchter, an expert in execution technologies, that the Aschwitz gas chambers could not have functioned "in the manner alleged"3, since levels of cyanide were found only in the walls of the disinfestation chambers where the Zyklon -B had been found. been used as an insecticide. The article continues to defend the revisionist point of view by informing its readers about the testimonies of the camp experiences which bring nothing to light about the gas chambers. However, this leaves with the looming question of the mortality of some three million Jews who were said to have been killed in concentration...... middle of paper ......nier?”, Slate, February 6, 2009, http://www.slate.com/id/2210632/Google, What's the Harm?, http://whatstheharm.net/holocaustdenial.htmlGoogle, YouTube, http://www.youtube.com/Kollerstrom, Nicholas, “Jewish Holocaust or German Holocaust? Auschwitz Gas Chamber Myth,” WordPress, May 13, 2008, http://jewsvszionists.wordpress.com/2008/05/13/jewish-holocaust-or-german-holocaust-auschwitz-gas-chambers-myth/Kollerstrom, Nicholas, “The myth of the 'gas chamber' of Auschwitz”, CODOH, May 24, 2008, http://www.codoh.com/newrevoices/nrillusion.htmlPeled, Daniella, “College Rejects Holocaust Denier,” The Jewish Chronicle Online, April 24, 2008, http://www.thejc.com/news/ uk-news/college-rejects-shoah-denierPnG Solutions, RodosTube, http://www.rodostube.gr/United States Holocaust Memorial Museum, Holocaust Encyclopedia, http /www.ushmm.org/wlc/en/article.php?ModuleId=10007272