| A | B |
|---|
| Hippocrates | Greek physician known as the "Father of Medicine |
| Anton van Leeuwenhoek | Invented microscope lens allowed viewing oforganisms |
| Benjamin Franklin | Invented bifocals |
| Edward Jenner | Developed a vaccination for smallpox in 1796 |
| Rene Laennec | Invented the stethoscope in 1819 it was made of wood |
| Elizabeth Blackwell | First female physician in the United States in 1849 |
| Florence Nightingale | Known as the "Founder of Modern Nursing" |
| Louis Pasteur | His germ theory proved that microorganisms cause disease |
| Joseph Lister | Used carbolic acid kill germs as antiseptic during surgery |
| Clara Barton | Formed American Red Cross , served as its first president |
| Robert Koch | Developed the culture plate method to identify pathogens |
| Wilhelm Roentgen | Discovered (X-rays) in 1895 |
| Sigmund Freud | His studies were the basis for psychology and psychiatry |
| Sir Alexander Fleming | Discovered penicillin in 1928 |
| Jonas Salk and Albert Sabin | Discovered polio vaccine |
| Francis Crick and James Watson | Described the structure of DNA in 1953 |
| Christian Barnard | Performed first successful heart transplant in 1968 |
| Ben Carson | Famous for his surgeries to separate Siamese twins |
| Dorothea Dix | Fought for the rights of the mentally ill |
| Leonardo da vinci | used dissection to draw the human anatomy |
| Ignaz Semmelweis | encouraged physicians to wash hands |
