From a fascinating story, The Ambitious Plan to Open Up a Treasure Trove of Black History - https://www.getty.edu/news/johnson-publishing-company-archive-getty-smithsonian-digitization-project/
Meet Marion Donovan, the Mother Who Invented a Precursor to the Disposable Diaper The prolific inventor with 20 patents to her name developed the “Boater,†a reusable, waterproof diaper cover in the late 1940s