Deborah Lipstadt is an American historian and author, best known for her work on the Holocaust and Holocaust denial. She gained international recognition for her role in a high-profile libel case against British historian David Irving, who accused her of defaming him in her book, Denying the Holocaust. Lipstadt's victory in court affirmed the historical truth of the Holocaust and highlighted the dangers of Holocaust denial. Lipstadt is a professor of Jewish history at Emory University in Atlanta, Georgia. She has written several influential books, including History on Trial: My Day in Court with a Holocaust Denier, which recounts her experiences during the trial. Through her work, she aims to educate people about the Holocaust and combat anti-Semitism.