Hisashi Ouchi was a Japanese technician who was accidentally exposed to a massive dose of radioactivity in a freak nuclear accident in 1999. Ouchi's ordeal showcases the dangers of exposure to radioactivity and limitations of modern medicine in dealing with the same. Heard About Japan’s Hisashi Ouchi? World’s Most Radioactive Man Kept Alive For 83 Days - News18 Why History’s 'Most Radioactive Man' Was Forcibly Kept Alive For 83 Days While His Skin Melted And He Cried Blood How the world's most radioactive man cried blood as he was kept alive in 83-day nightmare | Daily Mail Online