Contributions

-Wilhelm Roentgen: discovered roentgenograms (X-Ray) in 1895

-Clara Barton: founded the American Red Cross in 1881

-Dimitri Ivanofski: discovered viruses in 1893

-Elizabeth Blackwell: first founder female physician.

-Dr. James Simpson: used chloroform as an anesthetic.

-Robert Aooke: discovered cell theory

-Dr. William Morton: American Dentist

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Symbolism in the 19th century