| Answer | Crossword Clue |
|---|---|
| ROENTGENOLOGIST | One who studies X-rays |
| WILHELMROENTGEN | Physicist who discovered X-rays |
| ROENTGEN | Discoverer of x-rays, who has a unit named after him |
| PALEONTOLOGIST | One who studies fossils |
| OCULIST | One who studies irises |
| CPA | One who studies books |
| MYRMECOLOGIST | One who studies ants |
| MICROBIOLOGIST | One who studies minute organisms |
| YOGI | One who studies asanas and pranayama |
