| A | B |
|---|
| Hippocrates | FATHER of medicine |
| William Roentgen | discovered X-RAYS in 1895 |
| Sir Alexander Flemming | discovered PENICILLIN in 1928 |
| Clara Barton | founded RED CROSS in 1881 |
| Florence Nightingale | founder of modern NURSING started professional education for nurses |
| Anton Van Leeuwenhoek | invented the MICROSCOPE in 1666 |
| Gabriel Farenheit | first MERCURY THERMOMETER 1714 |
| Rene Laennec | invented the STETHOSCOPE in 1816 |
| Benjamin Franklin | invented bifocals |
| Sigmund Frued | basis of psychology and psychiatry |
| Edward Jenner | Smallpox vaccination |
| Joseph Lister | first used disinfectants and antiseptic to prevent infection during surgery |
| Jonas Salk | Polio vaccine |
| ancient Romans | first developed public health and sanitation systems |
