| Answer | Crossword Clue |
|---|---|
| SALK | Conqueror of polio |
| SALK | Polio conqueror |
| SALK | Polio conqueror Jonas |
| SABIN | Developer of polio vaccine |
| SALK | Father of polio vaccine. |
| SALK | Polio doc of note |
| SALK | Developer of the polio vaccine |
| SALK | Doctor of polio vaccine fame. |
| SABIN | Discoverer of a polio vaccine |
