Portrait of Percy Lavon Julian (1899-1975), African American research chemist and pioneer in the chemical synthesis of medicinal drugs from plants.
Percy Lavon Julian was born in Montgomery, Alabama on April 11, 1899…
- after 1964 – before 1991
Photograph of Dr. Bettye Washington Greene (1935-1995), believed to be the first African-American female chemist employed to work in a professional position at the Dow Chemical Company.
Bettye Greene was born on March…