title: Ellen H. Richards (1842-1911), sanitary chemist and pioneer of professional equality for women in health science.
mesh_terms: D002621:Chemistry / Q000266:history*; D005260:Female; D049672:History, 19th Century; D049673:History, 20th Century; D006806:Human Rights; D006801:Humans; D011634:Public Health / Q000266:history*; D012498:Sanitary Engineering / Q000266:history; D014481:United States; D014930:Women