Ποιος χρονολόγησε Hélène Berr;

Hélène Berr (27 March 1921 – 10 April 1945) was a French Jewish woman, who documented her life in a diary during the time of Nazi occupation of France. In France she is considered to be a "French Anne Frank". She died from typhus during an epidemic of the disease in Bergen-Belsen concentration camp that also killed Anne Frank and her sister Margot.