Rabbi Eliezer Diamond, who taught at the Jewish Theological Seminary for over three decades and left an indelible mark on generations of rabbis and Jewish scholars, has died.

Diamond passed away on Thursday at 73, following several years battling multiple forms of cancer.

Born in 1952, Diamond received his bachelor’s and master’s degrees and rabbinical ordination from the Rabbi Isaac Elchanan Theological Seminary of Yeshiva University from 1968 to 1977.

But it was at JTS, the Conservative flagship in New York City, where Diamond earned his doctorate in Talmud and was the Rabbi Judah Nadich Professor of Talmud and Rabbinics, that his talents for mentorship and teaching flourished.

“My beloved teacher, a precious mentor and friend to countless Jewish leaders, Rabbi Eliezer Diamond z”l, has departed this world for the next,” wrote Rabbi Menachem Creditor, a scholar in residence and rabbi for the UJA-Federation of New York, in a post on Facebook. “His wisdom changed the course of my rabbinate many times over, something I know to be true for many others.”

Over his long career as a highly respected Talmud scholar, Diamond published a chapter on the rabbinic period in the “Schocken Guide to Jewish Books,” as well as entries in the “Reader’s Guide to Judaism” and “The Encyclopedia of the Bible and Its Reception.” In 2003, he published his only book, “Holy Men and Hunger Artists: Fasting and Asceticism in Rabbinic Culture,” with the Oxford University Press.

Diamond retired from JTS after the fall 2024 semester. In March during the previous semester, his legacy at the school was celebrated in a program titled 

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