Gavriel Zev Margolis
Rabbi Gavriel Zev Margolis was an Orthodox Rabbi in the United States known for being an uncompromising traditionalist.
Margolis was ordained by Rabbi Jacob Barit and Rabbi Naphtali Judah Berlin. He taught and preached in Grodno, before being invited to Vilna to assist Rabbi Eizele Charif publish his commentary on the Jerusalem Talmud. He later served as the head of the rabbinical courts in Mogilev Province, and Jasionowka.
In 1907, Margolis immigrated to the United States, settling in Boston, where he served as chief rabbi of seven local congregations.
In 1911, due to a dispute about kashrus he moved to New York. Margolis was involved in a fair number of disputes in his lifetime due to his uncompromising religious views. He was against Zionism, the Yeshiva College, and the Aguddas Harabbonim, among others.