Rabbi Eliezer Diamond, a revered professor and scholar at the Jewish Theological Seminary for 35 years, has died at the age of 73 after a long battle with cancer. Known for his profound impact on generations of rabbis and Jewish scholars, Diamond was celebrated for his mentorship, kindness, and scholarship, including his influential book on fasting and asceticism in rabbinic culture. He retired in 2024, with his legacy honored by colleagues and students alike, and was remembered for his deeply personal reflections on faith and life, which he shared publicly during his illness. Tributes from former students and friends highlight his compassion, wisdom, and the lasting influence he leaves on the Jewish community.