William Addis Went To Prison For Inciting A Riot And Came Out With A Modern Toothbrush Design

We have a few days left in National Children's Dental Health Month, so today we’re telling the story of William Addis, the first person to mass produce toothbrushes - and one who came up with his big breakthrough in unusual circumstances. Plus: for National Pistachio Day, a visit to the World's Largest Pistachio (TM) in Alamagordo, New Mexico.  Who invented the toothbrush and when was it invented? (Library of Congress via Archive.org)World's Largest Pistachio Keep this show bright and shiny like a set of healthy teeth, as a backer on Patreon