| GALILEO | Italian mathematician and physicist who is credited with inventing the thermometer (7) |
| TORRICELLI | 17th-century Italian mathematician and physicist (10) |
| ABSOLUTEZERO | There's no getting below this on the thermometer (8,4) |
| READYMERCURY | Supply at the thermometer factory? |
| PASCAL | French philosopher, mathematician and physicist who gave his name to the derived SI unit of pressure (6,6) |
| BLAISE | French philosopher, mathematician and physicist who gave his name to the derived SI unit of pressure (6,6) |
| HEAVISIDE | Oliver ___, self-taught English electrical engineer, mathematician, and physicist who adapted complex numbers to the study of electrical circuits |
| ARCHIMEDES | Greek mathematician and physicist who died in 212 BC (10) |
| BABBAGE | He is credited with inventing the first mechanical computer (7,7) |
| CHARLES | He is credited with inventing the first mechanical computer (7,7) |
| HUYGENS | Dutch mathematician, astronomer, and physicist, who founded the wave theory of light, discovered the true shape of the rings of Saturn. He discovered Saturn's moon Titan with a telescope in 1655. |
| CROOKES | Sir William -; chemist and physicist who discovered thallium and invented the spinthariscope (7) |
| VIONNET | Fashion designer credited with inventing the bias cut |
| DOPPLER | Austrian mathematician and physicist, after whom the effect of relative motion on sound and light waves is named (7) |
| WRIGHT | Orville ___, US aviator who, with brother Wilbur, is credited with inventing the aeroplane (6) |
| RICHTER | Charles Francis -; seismologist and physicist who developed a scale for expressing the magnitude of an earthquake (7) |
| BIFOCAL | Benjamin Franklin is credited with the invention of what type of spectacles? (7) |
| PENROSE | Roger, mathematician and physicist born in 1931 (7) |
| BUNSEN | Robert, German chemist who is credited with inventing a small burner used in laboratories (6) |
| RICHELIEU | In addition to his political career, Cardinal ___ is credited with inventing the table knife |
