| DOPPLER | Christian ?, 19th-century mathematician and physicist noted for his work on the frequency of light and sound waves |
| ARRHENIUS | Svante August ___, (1859-1927), Swedish chemist and physicist noted for his work on the theory of electrolytic dissociation and his model of the greenhouse effect: Nobel Prize for Chemistry 1903 (9) |
| EULER | Leonhard _, 18th-century Swiss mathematician and physicist noted for his work on the calculus of variations (5) |
| GALVANI | 18th-century Italian physician and physicist noted for his studies of the effects of electricity on animal nerves and muscles (7) |
| LUIGI | 18th-century Italian physician and physicist noted for his studies of the effects of electricity on animal nerves and muscles (5) |
| ARCHIMEDES | Greek mathematician and physicist, noted for his work in geometry, hydrostatics and mechanics (10) |
| FRESNEL | Augustin-Jean, French civil engineer and physicist noted for his pioneering work in optics (7) |
| ALVAREZ | Nobel Prize-winning physicist noted for his discovery of the iridium layer and his theory that the m |
| LOVELACE | Married name of the 19th-century mathematician and computer pioneer Augusta Ada Byron who, in her writings about Charles Babbage's analytical engine, pondered the notion of AI-generated music (8) |
| GELLNANN | Murray -; theoretical physicist noted for his work on the theory of elementary particles (4-4) |
| RUTHERFORD | Ernest, New Zealand-born British physicist noted for his pioneering studies of radioactivity and the atom (10) |
| BEAM | A sunray or other shaft of light; a radiant smile; a stream of particles; a rafter; or, the crossbar of a balance (4) |
| SPARK | Word for a tiny particle of fire; a flash of light; a bright sprightly person; or, a flicker of emotion (5) |
| FEYNMAN | Richard ___, US physicist noted for his research on quantum electrodynamics; Nobel Prize for Physics (1965) |
| KELVIN | William Thomson, 1st Baron - - -, British physicist noted for his work in thermodynamics and electricity (6) |
| ANDERSEN | Hans Christian, 19th Century Danish author and poet most famous for his fairy tales (8) |
| EINSTEIN | Theoretical physicist noted for the process or system of thought experiment, which he used to formulate his General and Special Theories of Relativity (8) |
| LODGE | Den of a beaver; a gatekeeper's cottage; or a physicist noted for contributions towards electromagne |
| PENROSE | Sir Roger -; physicist noted for his work on black holes (7) |
| AVOGADRO | Amedeo, Italian physicist noted for his work on gases (8) |