Robert Jan van Pelt

Robert Jan van Pelt (born 15 August 1955) is a Dutch author, architectural historian, professor at the University of Waterloo and a Holocaust scholar. One of the world's leading experts on Auschwitz, he regularly speaks on Holocaust related topics, through which he has come to address Holocaust denial. He was an expert witness in Deborah Lipstadt's successful defence in the civil libel suit brought against her by British author and Holocaust denier David Irving in 1996. Provided by Wikipedia