Dr. Percy Lavon Julian
April 11, 1899 – April 19, 1975 Scientist (Chemist) On [...]
April 11, 1899 – April 19, 1975 Scientist (Chemist) On [...]
Born August 13, 1933 Doctor / Professor / 15th Surgeon General [...]
1864 – January 5, 1943 Scientist George Washington Carver was [...]