Rabbi Isser Zalman Meltzer (1870 - 1954) was a famous Lithuanian Orthodox rabbi and rosh yeshiva. He was a discple of Rav Chaim Soloveitchik and the Chofetz Chaim, and father-in-law to Rav Aharon Kotler. He was also known as Even HaEzel, after the title of his commentary on Rambam's Mishneh Torah. 1870 was a common year starting on Saturday (see link for calendar). ... 1954 (MCMLIV) was a common year starting on Friday of the Gregorian calendar. ... Orthodox Judaism is the stream of Judaism which adheres to a relatively strict interpretation and application of the laws and ethics first canonized in the Talmud (The Oral Law) and later codified in the Shulkhan Arukh (Code of Jewish Law). It is governed by these works and the Rabbinical commentary... Rabbi (Classical Hebrew רִבִּי ribbÄ«;; modern Ashkenazi and Israeli רַבִּי rabbÄ«) in Judaism, means teacher, or more literally great one. The word Rabbi is derived from the Hebrew root-word RaV, which in biblical Hebrew means great or distinguished, (in knowledge). In the ancient Judean schools the sages were addressed as רִבִּי (Ribbi... A Rosh yeshiva (Hebrew: ראש ישיבה) (plural in Hebrew: Roshei yeshiva, but also referred to in the English form as Rosh yeshivas) is a rabbi who is the academic head, or rosh (ראש), of a yeshiva (ישיבה), a college of higher Talmudic study. ... Chaim (Halevi) Soloveitchik (חיים סולובייציק) (also known as Reb Chaim Brisker), (1853-July 30, 1918) was a rabbi and Talmudic scholar credited as the founder of the Brisk yeshivas and of an approach to Talmudic study within Judaism. ... Chofetz Chaim or Chafetz Chaim or Chafetz Chayim (meaning Seeker/Desire [of] Life in Hebrew חָפֵץ חַיִּים) is the name of an Orthodox Judaism rabbi, and the abbreviated name of a number of institutions mostly named for him or his magnum opus of the same name: Chafetz Chaim (rabbi) is... Aharon (or Ahroyn, Aaron, Aron) Kotler (1890s - 1962) was a prominent leader of Orthodox Judaism in Lithuania, and later the United States of America. ... Rabbi Moshe ben Maimon (Hebrew: רבי משה בן מיימון; Arabic: Mussa bin Maimun ibn Abdallah al-Kurtubi al-Israili; March 30, 1135—December 13, 1204), commonly known by his Greek name Maimonides, was a Jewish rabbi, physician, and philosopher. ... The Mishneh Torah or Yad ha-Chazaka is a code of Jewish law by one of the most important Jewish authorities, Rabbi Moshe ben Maimon, better known as Maimonides or by the Hebrew abbreviation RaMBaM (usually written Rambam in English). ...