Years: 1871–1955
Primary city: Jerusalem, Israel
Rabbi Yechiel Michel Tucazinsky was a posek and author who served as rosh yeshiva of the Etz Chaim Yeshiva in Jerusalem. His work focused on practical halacha and religious life, and he is best known for Gesher HaChaim on the laws of mourning, as well as sefarim on the halachic calendar and the international dateline in halacha.