Dr. Alton Ivan Sutnick, a distinguished American medical researcher, educator, and administrator, passed away peacefully on March 20, 2026, at the age of 97. Known affectionately to family and friends as “Al,” he leaves behind a profound legacy of scientific advancement, dedicated mentorship, and a deep commitment to global health. His contributions spanned critical areas of medicine, from pulmonary disease and hypertension to groundbreaking work in hepatitis research and medical education.

Born on July 6, 1928, in Trenton, New Jersey, Alton Sutnick was the first son of Michael and Rose Sutnick. He was the valedictorian of Trenton High School and pursued his higher education at the University of Pennsylvania, where he earned a bachelor's degree in chemistry in 1950 and his medical degree from the University of Pennsylvania School of Medicine in 1954. His early career included a residency in Indianapolis, where he met his beloved wife, Mona Reidenberg, whom he married in 1958. Their early years together included an extended honeymoon in Paris, where Dr. Sutnick served as chief of medicine at a U.S. Army Hospital and observed the first human blood marrow transplants.

Dr. Sutnick’s research career was marked by significant discoveries. In 1961, he established a laboratory for the study of pulmonary surfactant at Temple University School of Medicine, becoming the first medical researcher to apply these physiological observations to adult human lung diseases such as pneumonia, lung cancer, and pulmonary embolism. His most impactful work began in 1965 when he joined Dr. Baruch Blumberg at The Institute for Cancer Research. There, Dr. Sutnick made the crucial connection between the mysterious “Australia antigen” and inflammatory liver disease, recognizing it as part of a hepatitis virus. This pivotal insight directly contributed to the development of the Hepatitis B vaccine and the eventual Nobel Prize for Dr. Blumberg. Dr. Sutnick was also among the first to describe what later became known as hepatitis C in 1972.

Beyond his research, Dr. Sutnick was a transformative figure in medical education. In 1975, he was appointed Dean and Professor of Medicine at The Medical College of Pennsylvania, now part of Drexel University College of Medicine. He was instrumental in proposing a curriculum for emergency medicine as a standalone discipline. Later, in 1989, he became Vice President and Chief Operating Officer at the Educational Commission for Foreign Medical Graduates (ECFMG), where he pioneered the use of simulated patients to assess the clinical and spoken English skills of foreign medical graduates, establishing a globally recognized standard for medical licensure.

Dr. Sutnick’s influence extended internationally. He introduced a family medicine program in Moldova after the fall of the Soviet Union and developed numerous international medical education programs across the United States, Israel, Spain, Ukraine, and Brazil. As a consultant for the World Health Organization, he traveled to India multiple times, contributing to efforts that saved millions from hepatitis and liver cancer. His dedication to fostering academic exchange was further exemplified by his founding of the Ben Gurion-Philadelphia Academic Bridge after his retirement, connecting scholars from Ben-Gurion University of the Negev with their peers in Philadelphia.

Throughout his distinguished career, Dr. Sutnick received numerous accolades, including the Torch of Learning Award from the American Friends of the Hebrew University, the Philadelphia County Medical Society's Strittmater Gold Medal, and the American Medical Association's Dr. William Beaumont Award in Medicine. Despite his prodigious achievements, he remained a humble man, deeply devoted to his family and a proud Philadelphian who cherished sharing his love for the city and classical music with his children and grandchildren. He was a devoted member of Society Hill Synagogue and a lifelong supporter of Ben-Gurion University in the Negev.

Dr. Alton Sutnick is survived by his children, Amy Plotch and Gary Sutnick, his son-in-law Philip Plotch, and his grandchildren, Cynthia and Andrew Plotch. His legacy of scientific inquiry, educational innovation, and humanitarian spirit will continue to inspire generations. He will be deeply missed by his family, colleagues, and the countless lives he touched through his work.