James Williams
Eunice Gray Smith (1923-2006)
An accomplished mathematician, Eunice Gray Smith was among the first African American women hired to work at the Langley Memorial Aeronautical...
Frederick D. Stubbs (1906-1947)
A prominent thoracic surgeon in Philadelphia, Pennsylvania, Dr. Frederick Douglass Stubbs, made important contributions to the treatment of pulmonary tuberculosis. He completed extensive...
Philip B. Downing (1857-1934)
During the late nineteenth and the early twentieth century, Philip Bell Downing successfully filed at least five patents with the...
