A Nagasaki survivor and physician recounts his life's work
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Dr. Masao Tomonaga was 2 when Nagasaki was bombed. In August 2025, he spoke with Ira Flatow about a lifetime caring for fellow survivors.
Dr. Masao Tomonaga was only 2 years old when the United States bombed his home city of Nagasaki. He survived, and grew up to become a physician for other survivors, known as hibakusha. He also studied hematology, and his research on leukemia and myelodysplastic syndromes was foundational for understanding how radiation affects the body.
In August 2025, the 80th anniversary of the bombings of Hiroshima and Nagasaki, he spoke with Host Ira Flatow about his life’s work, how hibakusha lived with the medical consequences of the bombs, and his message to the world.
Guest:
Dr. Masao Tomonaga is a survivor of the atomic bombing of Nagasaki and director emeritus of the Japanese Red Cross Nagasaki Atomic Bomb Hospital.
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The transcript for this episode is available at sciencefriday.com.
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