Lloyd Augustus Hall–Inventors Series 1

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Lloyd Hall
Lloyd Hall

Born today (or the 20th, or 21st depends on where you look) Lloyd Augustus Hall. African American scientist who amassed 59 patents in food preservation.
Not much online about him, but here’s the Wikipedia article.
It was, also hard to find a picture. The drawing is from the first of only 2 that I found. Both are real small, and look like they come from some kind of yearbook, or company thing.
Couple more links:
African American Scientists Page
Web Archive of Inventor. org page