Rabbi Boruch Ber Leibowitz
The Fruits of Volozhin
From the Biography Series

Whether it was the war over mussar or World War I, Rabbi Boruch Ber Levovitz clung to Torah no matter what storm was brewing around him. Producing his greatest works while in hiding, and heading his yeshiva amidst world depression, the dedication of this luminary is surpassed only by the stories of his kindness and integrity.