Elie Buzyn was "a militant of the duty to remember” said France’s chief rabbi, Haïm Korsia. Born in Poland, Buzyn lived with his parents in the Jewish ghetto until he was deported to Auschwitz in 1944 at the age of 15. After the camp was liberated in 1945 he went to Palestine, and in 1956 he moved to France, where he studied medicine and became an orthopedic surgeon. Like many survivors, Buzyn went decades without talking about his experience in the death camp. He started speaking about his life in the ghetto and the camp when his son said he...