| Answer | Crossword Clue |
|---|---|
| MACH | Physicist for whom a speed-of-sound ratio is named |
| HEINRICHHERTZ | German physicist for whom a frequency unit is named |
| TESLA | Unit of flux density, or the physicist for whom it is named |
| FERMI | Physicist for whom element 100 is named |
| OHM | German physicist for whom an electrical unit is named |
| ERNEST | Physicist Rutherford after whom rutherfordium is named |
| AMPERE | French physicist after whom an electric unit is named |
