| Answer | Crossword Clue |
|---|---|
| TESLA | Pioneer inventor in radio. |
| TESLA | Inventor in radio field. |
| DEFOREST | Important inventor in radio and electronics. |
| HAYNES | Pioneer auto inventor. |
| MARCONI | Radio pioneer |
| TESLA | Radio pioneer |
| HERTZ | Radio wave pioneer |
| LEE | Radio pioneer De Forest |
| ALAN | Rock radio pioneer Freed |
| IMUS | Shock-radio pioneer Don |
