| ARYABHATA | Ancient Indian mathematician known for his discovery of the value of pi, among other things |
| RAMANUJAN | Largely self-taught Indian mathematician known for his work with GH Hardy |
| ARCHIMEDES | Which Greek scientist, considered the greatest mathematician of the ancient world, calculated the unresolved value of pi? (10) |
| RAMANUJAH | Srinivasa --, Indian mathematician (1887-1920) (9) |
| COUSTEAU | Investigator among schools heard murmur by lodge (8) |
| SUSPICION | Doubt shown by investigator among varied cousins (9) |
| FRANKLIN | American polymath known for his discovery of the electrical properties of lightning, among other things (surname only) |
| BRADLEY | Scientist known for his discovery of the aberration of light and for observing the oscillation of Earth's axis (nutation), who succeeded Edmond Halley as Astronomer Royal in 1742 (7) |
| GALVANI | Which Italian anatomist (Luigi ___) is best known for his discovery of the twitching of frogs' legs in an $$ % |
| EINSTEIN | Recipient of a Nobel prize "for his discovery of the law of the photoelectric effect" |
| HERSCHEL | Astronomer known for his discovery of the planet Uranus |
| LEOESAKI | Japanese physicist who shared the 1973 Nobel Prize for Physics with Ivar Giaever and Brian David Josephson for his discovery of the phenomenon of electron tunnelling |
| ALVAREZ | Nobel Prize-winning physicist noted for his discovery of the iridium layer and his theory that the m |
| OTTOHAHN | German chemist awarded the Nobel Prize in Chemistry in 1944 'for his discovery of the fission of heavy nuclei' (4,4) |
| DOPPLER | Austrian physicist, d. 1853 famous for his discovery of the effect of movement on perceived waveleng |
| LAUE | Max von -; physicist awarded a Nobel Prize for his discovery of the diffraction of X-rays by crystals (4) |
| SHECHTMAN | Recipient of the 2011 Nobel Prize for his discovery of quasicrystals, he also ran for president in his home country Israel (last name only) |
| RONTGEN | German physicist known for his discovery of X-rays |
| OBOL | An ancient Greek coin, the sixth of the value of a drachma (4) |
| UREY | Chemist who won the Nobel in 1934 for his discovery of deuterium (last name only) |
