![]() ![]() Hammer went on to combine his radium salt with glue and a compound called zinc sulfide which glowed in the presence of radiation. Radioactivity was somewhat new to science, so its properties and dangers were not well understood but the radium’s slight blue-green glow and natural warmth indicated that it was clearly a fascinating material. The famous scientists Pierre and Marie Curie had provided him with some samples of their radium salt crystals. Hammer left Paris with a curious souvenir. In 1902, twenty years prior to Grace’s mysterious ailment, inventor William J. One dentist in particular took notice of the unusually high number of deteriorated jawbones among local women, and it took very little investigation to discover a common thread all of the women had been employed by the same watch-painting factory at one time or another. Her jawbone was honeycombed with small holes, in a random pattern reminiscent of moth-eaten fabric.Īs a series of doctors attempted to solve Grace’s mysterious ailment, similar cases began to appear throughout her hometown of New Jersey. ![]() Using a primitive X-ray machine, the physician discovered serious bone decay, the likes of which he had never seen. Her troubles were compounded when her jaw became swollen and inflamed, so she sought the assistance of a doctor in diagnosing the inexplicable symptoms. In 1922, a bank teller named Grace Fryer became concerned when her teeth began to loosen and fall out for no discernible reason. ![]()
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