Tsutomu Yamaguchi is a name that defines human resilience against the most catastrophic weapons ever created. On August 6, 1945, the Japanese engineer was on a business trip in Hiroshima when the “Little Boy” atomic bomb was dropped. Being just 3 kilometers away from the hypocenter, Yamaguchi suffered severe burns, ruptured eardrums, and temporary blindness. Despite his injuries, he displayed extraordinary grit and managed to catch a train back to his hometown—Nagasaki.

As he was narrating the horrors of the Hiroshima blast to his supervisor on the morning of August 9, the unthinkable happened. The second atomic bomb, “Fat Man,” detonated over Nagasaki. Once again, Yamaguchi found himself within a 3-kilometer radius of a nuclear explosion. Miraculously, he survived for the second time in three days, even as the buildings around him crumbled into radioactive dust.

The Japanese government officially recognized him as a “Nijyuu Hibakusha” (double-bombed person), the only individual to hold such a title. Although he suffered from radiation-related ailments for years, including high fever and hair loss, he lived a long life and passed away in 2010 at the age of 93. Until his final breath, Yamaguchi remained a vocal advocate for nuclear disarmament, sharing his story with the UN to ensure such a tragedy never repeats. His life remains a testament to the fact that the human spirit can endure even the darkest of hells.