| 1922 Nobelist in physics | 24 |
| 1920s-'30s debate opponent of Einstein | 42 |
| "Copenhagen" scientist | 32 |
| ___ theory, in physics | 22 |
| Father-and-son physics Nobelists | 32 |
| Related Nobel-winning physicists | 32 |
| Nobel-winning father-and-son physicists | 39 |
| Father-and-son Nobelists in physics | 35 |
| Father-and-son Nobel Prize winners in physics | 45 |
| Father-and-son Nobel physicists | 31 |
| Family of Danish physicists | 27 |
| Seethe | 6 |
| Be furious | 10 |
| Be angry | 8 |
| Simmer | 6 |
| Prepare potatoes, in a way | 26 |
| Prepare eggs, in a way | 22 |
| Be hopping mad | 14 |
| Cooking instruction | 19 |
| Bring to 212 degrees | 20 |
| Spaghetti recipe word | 21 |
| One way to cook eggs | 20 |
| Be fervid | 9 |
| Be agitated | 11 |
| Start to bubble on a stove | 26 |
| Let off some steam | 18 |
| Be hot under the collar | 23 |
| Sterilize, in a way | 19 |
| Sterilize | 9 |
| Prepare water for pasta | 23 |
| One way to make eggs | 20 |
| More than simmer | 16 |
| Canning instruction | 19 |
| Bubble up | 9 |
| Become irate | 12 |
| Start bubbling, perhaps | 23 |
| Reach 212 degrees F. | 20 |
| Prepare, as water for tea | 25 |
| Minute Rice instruction | 23 |
| Heat to 212° | 15 |
| Get really angry | 16 |
| Get hot under the collar? | 25 |
| Cook campanelle | 15 |
| Bring water to 212 degrees | 26 |
| Bring to 212 degrees F | 22 |
| With frost, a highway hazard | 28 |
| What you do at sweltering festival | 34 |
| What watched pots never do | 26 |
| Water starts to do this at 212°F | 35 |
| Vaporize a liquid | 17 |
| Summarize, with "down" | 32 |
| Simmer in summer | 16 |
| Shorten, with "down" | 30 |
| Reach 212, maybe | 16 |
| Reach 212 degrees, perhaps | 26 |
| Produce steam | 13 |
| Prepare, as rice | 16 |
| Prepare, as pasta | 17 |
| Prepare lobsters | 16 |
| Prepare an egg, perhaps | 23 |
| Not merely warm | 15 |
| More than coddle | 16 |
| Make drinkable, perhaps | 23 |
| Make bubbles, in a way | 22 |
| Lancer's item | 17 |
| It may get lanced | 17 |
| Hit 212° | 11 |
| Heat, as water | 14 |
| Heat to more than 212°, as water | 35 |
| Heat to 212 degrees | 19 |
| Go over 212 degrees | 19 |
| Go beyond simmering | 19 |
| Get red | 7 |
| Get good and steamed | 20 |
| Do some poaching | 16 |
| Do eggs | 7 |
| Distill, in a way | 17 |
| Cooking instruction, sometimes | 30 |
| Cook, as pasta | 14 |
| Cook, as lobsters | 17 |
| Cook, as in a cauldron | 22 |
| Cook à l'anglaise | 24 |
| Change from liquid to gas | 25 |
| Bubble, perhaps | 15 |
| Bring to a bubble | 17 |
| Bring to a ___ | 14 |
| Bring to 212 degrees Fahrenheit | 31 |
| Be very upset | 13 |
| Be very angry | 13 |
| Be upset | 8 |
| Be plenty hot | 13 |
| Be hot, hot, hot | 16 |
| Be het up | 9 |
| Be angry as heck | 16 |
| Heat source | 11 |
| Part of an old heating system | 29 |
| Basement fixture | 16 |
| Water heater | 12 |
| Steam producer | 14 |
| Home heater | 11 |