Boruch Spiegel, in 1939 at the age of 19, who was one of the last surviving members of the Jewish resistance in the Warsaw Ghetto. Mr. Spiegel was on guard duty and gave the signal to attack the German army as they came liquidate the ghetto in April 1943. The ghetto residents antagonized the Nazis for 28 days. Mr. Spiegel escaped to safety and joined the Polish resistance. He died on May 7, 2013 at the age of 93.