In 1928 , Raziel completed studies at the Tachkemoni high school , and studied for several years at Yeshivat Mercaz HaRav in Jerusalem . He was regular study partner with Rabbi Zvi Yehuda Kook , son and ideological successor to the Rosh Yeshiva and Chief Rabbi of Israel , Rabbi Abraham Isaac Kook . When the 1929 Hebron massacre broke out , he joined the Haganah in Jerusalem , where he was studying philosophy and mathematics at the Hebrew University of Jerusalem . When the Irgun was established , he was one of its first members , and displayed outstanding military skills . In 1937 he was appointed by the Irgun as the first Commander of Jerusalem District and a year later , '' Commander in Chief '' of the Irgun . His term as leader was especially marked by violence against Arabs , including a sequence of marketplace bombings . Most of those attacks were in response to Arab violence . Raziel worked with Avraham Stern and Efraim Ilin
1929 Hebron massacre
1929 Hebron massacre
David Raziel