Mohammed Taheri is the Iranian ambassador to Portugal. He became notorious for a radio interview to RDP/Antena1, on February 14 2006 in which he questioned the deathtoll of the Holocaust - "When I was ambassador in Warsaw, I visited Auschwitz and Birkenau twice and made my calculations. Wikipedia
The definitive Wikipedia entry for Mohammed Taheri. Wikipedia is the biggest multilingual free-content encyclopedia on the Internet. en.wikipedia.org/wiki/Mohammed_Taheri