Black Excellence: Dr. Herbert Charles Smitherman Sr.
https://www.blackpast.org/african-american-history/herbert-charles-smitherman-sr-1937-2010
Dr. Herbert Charles Smitherman Sr. was a chemist and the first African American to be employed at Proctor & Gamble as a doctorate-level employee. He helped improve formulas for products such as Crest toothpaste, Bounce fabric softeners, Folgers’ coffee, and Safeguard soap.