| A | B |
|---|
| Walter Reed | found a cure for yellow fever |
| Marie Curie | discovered radium, which is used to treat cancer |
| Elizabeth Blackwell | first female doctor |
| Louis Pasteur | pioneered pasteurization of milk |
| Joseph Lister | pioneered use of disinfectants and antiseptics |
| Leeuwenhoek | invented the microscope |
| Roentgen | pioneered the use of X-rays |
| Sir Alexander Fleming | discovered penicillin |
| Hippocrates | the "founder of medicine" |
| Caduceus | today's symbol of healing |
| Frederick Banting | discovered insulin to help diabetics |
| Christian Barnard | performed the first heart transplant |
