Clara Barton Small 263×320 Medium 526×640 Large 842×1024 Download Tiff Original 1974×2400 | (5.8 MB) Description Clarissa Harlowe Barton was a pioneer American teacher, nurse, and humanitarian. She is best remembered for organizing the American Red Cross. Keywords American Red Cross, Clara Barton, educator, nurse, pioneer, portrait Galleries Educators, Famous People: B, Women's History Month Source: Benson John Lossing, ed. Harper's Encyclopedia of United States History (vol. 1) (New York, NY: Harper and Brothers, 1912)