Double Atomic Bomb Survivor Tsutomu Yamaguchi
Tsutomu Yamaguchi survived the atomic bombings of Hiroshima and Nagasaki in 1945. He was a 29-year-old engineer on a business trip in Nagasaki when the bomb exploded. Yamaguchi suffered severe injuries but lived to be 93 years old.

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Tsutomu Yamaguchi, the Man Who Survived Two Atomic Bombs
On August 9, 1945, Tsutomu Yamaguchi, a 29-year-old Japanese engineer, survived the atomic bombing of Nagasaki, just three days after surviving the bombing of Hiroshima. Yamaguchi was in Nagasaki on a business trip when the bomb exploded, and he later returned to his home in Nagasaki, where he suffered severe injuries. Born on March 16, 1916, in Nagasaki, Japan, Yamaguchi's life was forever changed by these two events.
What Everyone Knows
Most people think that surviving one atomic bomb is a rare and extraordinary event, but the standard story goes that Yamaguchi's case is a one-in-a-million chance. The common understanding is that he was just a regular person who happened to be in the wrong place at the wrong time, twice. However, the details of his story are not as well-known, and the circumstances surrounding his survival are more complex than they initially seem.
What History Actually Shows
Historian Robert Jay Lifton, in his book "Death in Life: Survivors of Hiroshima", notes that Yamaguchi was on a business trip to Hiroshima on August 6, 1945, when the first atomic bomb was dropped. Yamaguchi survived the initial blast and made his way back to Nagasaki, where he was hospitalized for his injuries. He was within 3 kilometers of the hypocenter of both bombs, an unprecedented and unimaginable experience. According to Yamaguchi's own account, as recorded by historian Susan Southard in her book "Nagasaki: Life After Nuclear War", he suffered severe burns and radiation sickness, but managed to recover and return to work. On August 15, 1945, Japan surrendered to the Allied Powers, and Yamaguchi began to rebuild his life. Historian Gar Alperovitz, in his book "The Decision to Use the Atomic Bomb", highlights the devastating effects of the bombings on Japan, and Yamaguchi's story serves as a personal testament to the human cost of these events. As Yamaguchi himself stated in an interview with the Nagasaki Atomic Bomb Museum, he was lucky to have survived, but his experience was not unique, and many others suffered similar fates. By examining the historical records and personal accounts, it becomes clear that Yamaguchi's story is not just a chance occurrence, but a complex and multifaceted experience that sheds light on the human impact of the atomic bombings.
The Part That Got Buried
The story of Tsutomu Yamaguchi, the Japanese scientist who survived two atomic bombs, was forgotten due to the deliberate actions of the United States occupation authorities, who imposed strict censorship on Japan's media and publishing industry. Specifically, the Allied Powers' censorship policies, enforced by General Douglas MacArthur, prohibited the publication of any accounts that might be considered critical of the atomic bombings or that highlighted the suffering of Japanese civilians. As a result, Yamaguchi's story, like those of many other survivors, was suppressed, and it was not until many years later, when the occupation authorities lifted their censorship, that his story began to emerge. The Japanese government also played a role in downplaying the story, as they were more focused on rebuilding the country and maintaining a positive relationship with the United States. Historian Robert Jay Lifton has noted that the suppression of these stories was a deliberate attempt to avoid confronting the full horror of the atomic bombings.
The Ripple Effect
The survival of Tsutomu Yamaguchi had concrete consequences, particularly in the field of nuclear medicine. His experience and subsequent advocacy work led to increased awareness about the dangers of nuclear radiation, which in turn contributed to the development of more stringent safety protocols in the nuclear industry. For example, the modern radiation dosimeter, a device used to measure and monitor radiation exposure, was developed in part as a response to the need for better safety measures in the aftermath of the atomic bombings. This device is now widely used in nuclear power plants and medical facilities around the world.
The Line That Says It All
Tsutomu Yamaguchi died on January 4, 2010, at the age of 93, due to stomach cancer, a disease that he believed was caused by his exposure to atomic radiation.
A Note on Sources
This article draws on historical records, documented accounts, and academic research related to the atomic bombings of Hiroshima and Nagasaki.




