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NATHAN KASE Obituary

KASE--Nathan, MD. With profound sadness, we note the passing of Nathan Kase, MD, on Saturday, July 12, at age 95. A beloved member of the Mount Sinai community, Dr. Kase was a legend in the field of reproductive endocrinology for his seminal research clarifying the physiology of steroid hormone biosynthesis and advancing our understanding of polycystic ovary syndrome and ovulation induction. As Dean of the Mount Sinai School of Medicine (now the Icahn School of Medicine at Mount Sinai) from 1985 to 1997, he guided the school through transformative growth, created a trailblazing admissions pathway for students majoring in humanities or social sciences, and built new multidisciplinary Centers of Excellence, as well as The Derald H. Ruttenberg Treatment Center for cancer. He also served as Chair and Professor of Obstetrics, Gynecology and Reproductive Science; and Professor of Medicine (Endocrinology). He continued teaching and mentoring as Dean and Professor Emeritus until weeks before his death. He joined Mount Sinai as a resident, later becoming Chief Resident, at The Mount Sinai Hospital after obtaining his medical degree from Columbia in 1955. He led several groundbreaking studies that led to his first appointment at the Yale University School of Medicine, where he became Chair of Obstetrics and Gynecology, and was an Air Force captain in the Medical Corps as an obstetrician and gynecologist. A strong advocate for women and reproductive rights and a proud Jewish American, Dr. Kase was born in 1930, and was raised in Brooklyn. He was a devoted husband to Judith, who passed in 2013, and a proud father and grandfather. His passing is a profound loss, but his legacy endures. Brendan G. Carr, MD, MA, MS Chief Executive Officer Professor and Kenneth L. Davis, MD, Distinguished Chair Mount Sinai Health System Eric J. Nestler, MD, PhD Interim Dean Icahn School of Medicine at Mount Sinai Executive Vice President Chief Scientific Officer Mount Sinai Health System Evan L. Flatow, MD Dean for Clinical Affairs Icahn School of Medicine at Mount Sinai Executive Vice President for Clinical Affairs Mount Sinai Health System

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Published by New York Times on Jul. 20, 2025.

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