| TURING | Mathematician who developed banburismus (6) |
| PASCAL | Blaise ?, 17th-century mathematician who developed the theory of probability with Pierre de Fermat (6) |
| BRIGGS | Mathematician who developed John Napier's work on the logarithm; or, the author of When the Wind Blows and Ug (6) |
| GALILEO | Italian mathematician who developed the astronomical telescope |
| BOOLE | English mathematician who developed a form of algebra for use in logic |
| JOHANN | Swiss mathematician who taught Leonhard Euler (6,9) |
| EUCLID | Greek mathematician who wrote the definitive treatise Elements (6) |
| NAPIER | Scottish mathematician who originated the concept of logarithms (6) |
| FERMAT | Pierre de ......, French mathematician who was known for his "last theorem" (6) |
| AMPERE | French physicist and mathematician who made discoveries in magnetism and electricity (6) |
| ARGAND | Jean-Robert ___, French mathematician who devised a diagram that displays complex numbers |
| ROBERTRECORDE | The mathematician who invented the equals sign (6,7) |
| BERNOULLI | Swiss mathematician who taught Leonhard Euler (6,9) |
| ERDOS | Mathematician who is the subject of the book "The Man Who Loved Only Numbers" |
| 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) |
| GEORGEBOOLE | English mathematician who helped to found modern symbolic logic (6,5) |
| ALANTURING | British mathematician who will appear on new £50 notes from June 23 2021 (4,6) |
| HANNAHFRY | British mathematician who presented the three-part BBC documentary series AI Confidential (6,3) |
| WILES | British mathematician who proved Fermat's last theorem |
| EULER | Mathematician who disproved Fermat's conjecture |