| 100% | EINSTEIN | 8 | Scientist who espoused the theory of relativity |
| 82% | EINSTEIN | 8 | Scientist who developed the theory of relativity |
| 61% | EINSTEIN | 8 | The man who discovered the theory of relativity |
| 61% | ALBERTEINSTEIN | 14 | Physicist who developed the theory of relativity: 2 wds. |
| 52% | EDDINGTON | 9 | First Englishman to prove the Theory of Relativity |
| 49% | EINSTEIN | 8 | Father of the theory of relativity |
| 48% | DARWIN | 6 | Charles who developed the theory of evolution |
| 47% | EDDIE | 5 | With 50-Across, "The Theory of Everything" actor who plays weather scientist James Glaisher in 30-Across |
| 47% | ULM | 3 | Where Einstein, who conceived the General Theory of Relativity, was himself conceived |
| 47% | CHEMIST | 7 | Scientist who studies the transformations and reactions of substances |
| 46% | GEODESISTS | 10 | Scientists who measure the exact shape and size of Earth |
| 46% | NEWTON | 6 | Famous scientist who formulated the laws of motion |
| 46% | EINSTEIN | 8 | Physicist Albert who came up with the special theory of relativity |
| 45% | CORIOLIS | 8 | Eponymous scientist who studied the behavior of moving bodies |
| 45% | VEBLEN | 6 | Economist who wrote "The Theory of the Leisure Class" |
| 44% | MARIECURIE | 10 | Scientist who was the first female professor at the University of Paris: 2 wds. |
| 43% | BROCA | 5 | Scientist for whom a part of the brain is named |
| 43% | SALK | 4 | Scientist who was called the "Father of Biophilosophy" in the New York Times in 1966 |
| 41% | GRACE | 5 | ___ Hopper, computer scientist who was honored with the Presidential Medal of Freedom posthumously in 2016 |
| 41% | EULER | 5 | Mathematician who wrote the first theorem of graph theory |
| 41% | ISAAC | 5 | Scientist ___ Newton who discovered the laws of gravity |
| 41% | EMC | 3 | Letters in Einstein's theory of relativity |
| 41% | MASS | 4 | Quantity in Einstein's theory of relativity |
| 41% | ALANTURING | 10 | English computer scientist who pioneered the breaking of ciphers generated by the 98-Across |
| 40% | EINSTEIN | 8 | Albert ___ was the founder of the theory of relativity |
| 40% | NYE | 3 | Scientist who guest-starred twice on “The Big Bang Theory” |
| 40% | EDDIEREDMAYNE | 13 | "The Theory of Everything" actor who was nominated for a 2024 Tony for playing the Emcee in "Cabaret": 2 wds. |
| 40% | EMPEDOCLES | 10 | Greek philosopher and scientist who held that the world is composed of air, fire, earth and water |
| 40% | FERMAT | 6 | French mathematician who pioneered in the theory of probability |
| 40% | BOHR | 4 | Noted scientist who was conferred the "Order of the Elephant" by Denmark's King Frederick IX in 1947 |