| GALILEI | The surname of the Italian natural philosopher, astronomer, and mathematician who discovered the moons Io, Europa, Ganymede, and Callisto (7) |
| ADAMS | Astronomer and mathematician who co-discovered Neptune; or, the athlete, who in 2012, became the first woman to win an Olympic boxing title (5) |
| DOPPLER | Christian, 19th-century mathematician who discovered the effect which concerns the frequency of light and sound waves (7) |
| ARCHIMEDES | Greek mathematician who discovered the law of hydrostatics and a principle commonly called displacement (10) |
| 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. |
| SALIERI | Surname of the Italian composer who had Beethoven, Liszt and Mozart as pupils (7) |
| PASCAL | Seventeenth-century French philosopher and mathematician who developed one of the world's first mechanical calculators (6) |
| HYPATIA | Greek philosopher c370-c415AD, first notable female astronomer and mathematician (7) |
| SMITH | Identify the surname of the player who won the player of the series award in the two-test series in Jan-Feb 2025 between Sri Lanka and Australia. (5) |
| DONIZETTI | Surname of the Italian composer whose operas included Lucia di Lammermoor and Lucrezia Borgia |
| LEIBNIZ | Gottfried Wilhelm von ..., German philosopher and mathematician who was a contemporary of Isaac Newton (7) |
| DESCARTES | Rene ---, 17th Century French philosopher and mathematician who wrote Discourse On The Method (9) |
| RUSSELL | Bertrand ___, British philosopher and mathematician who was awarded the Nobel prize in literature in 1950 |
| GALILEO | Italian astronomer and mathematician, d. 1642 (7) |
| HALLEY | Edmund ---, English astronomer and mathematician after whom a comet is named (6) |
| CHOPRA | What is the surname of the Indian athlete with the who honorary was recently rank of conferred Lieutenant Colonel of the Territorial Army? (6) |
| ISAAC | Knighted natural philosopher noted for his formulation of the principles of dynamics, work on gravitation, optics, etc. (5,6) |
| NEWTON | Knighted natural philosopher noted for his formulation of the principles of dynamics, work on gravitation, optics, etc. (5,6) |
| MUSSOLINI | Surname of the Italian Fascist known as 'Il Duce' (9) |
| AMPERE | French physicist and mathematician who made discoveries in magnetism and electricity (6) |
