can't find the post anymore but this is a well-told story that more people should know about
it's about the scientist who stopped the gasoline industry from giving everyone lead poisoning https://www.mentalfloss.com/article/94569/clair-patterson-scientist-who-determined-age-earth-and-then-saved-it
@noiob figuring out the age of the earth and interceding in a public health disaster is such an unlikely power combo.
@noiob I've heard this story before, and love it deeply.