| Answer | Crossword Clue |
|---|---|
| TESLA | Inventor in radio field. |
| TESLA | Pioneer inventor in radio. |
| DEFOREST | Important inventor in radio and electronics. |
| OTIS | Inventor in elevator field. |
| EASTMAN | Inventor in the camera field. |
| OTIS | Inventor in the elevator field. |
| VAIL | Inventor in the telephone field. |
| OTIS | Inventor in the field of elevators. |
| RCA | Initials in radio field. |
