Mr. Black and others talked about his book IBM and the Holocaust: The Strategic Alliance between Nazi Germany and America’s Most Powerful Corporation, published by Crown Publishers. The book contends that IBM and its president, Thomas J. Watson, established business relations with Nazi Germany and that IBM’s information technology and business alliance endowed Adolph Hitler with the ability to accelerate and automate the persecution of Jews during World War II and in the Holocaust. Following their remarks they responded to questions from the audience.