Ernst Zündel
Ernst Christof Friedrich Zündel (April 24, 1939 – August 5, 2017) was a German publisher and pamphleteer known for promoting Holocaust denial. He was jailed several times: in Canada for publishing literature "likely to incite hatred against an identifiable group", and on charges of being a threat to national security; in the United States, for overstaying his visa; and in Germany for charges of "inciting racial hatred".