Rav Eliezer Waldenberg was born in Jerusalem in 1915 to Rabbi Yaakov Gedalya who immigrated from Kovno, Lithuania to pre-Mandatory Palestine in the early 1900s. He studied in the Etz Chaim Yeshiva and was a student of the Rosh Yeshiva, Rav Isser Zalman Meltzer. Rav Waldenberg wrote his first book, Dvar Eliezer, at age 19 in 1934.