What religion did Vitika Kempner and Abba Kovner have in common?
Abba Kovner Abba Kovner (Hebrew: אבא קובנר‎ ‎ ; March 14, 1918 – September 25, 1987) was a Jewish Hebrew and Yiddish poet, writer and partisan leader. He became one of the great poets of modern Israel. He was a cousin of the Israeli Communist Party leader Meir Vilner.
Herman David Koppel Herman David Koppel (Copenhagen, 1 October 1908 – Copenhagen, 14 July 1998) was a composer and pianist of Jewish origin.