When Deborah Steiner-van Rooyen was instructed by her grandfather to locate Yonah Steiner, his brother's son, all she had to go on was the name of the Israeli kibbutz he had lived on nearly two decades earlier. Against the odds, however, she was able to find Yonah and--more impressively--persuade him to share his experiences during the Holocaust, which he had to that point refused to discuss, even with his own children. Yonah's memories of his life...