| 3D puzzle launched in 1974 |
RUBIKS |
| Alphabet in which letters are represented by combinations of dots and dashes |
MORSE |
| Area, surprisingly, of north London? |
KENTISH |
| City that gave its name to the German state, 1918-1933 |
WEIMAR |
| French mathematician known for his 'last theorem' |
FERMAT |
| French town whose burghers are represented in a Rodin sculpture in London's Victoria Tower Gardens |
CALAIS |
| Hermitage, especially in Hinduism |
ASHRAM |
| Joan __, US comedian (1933-2014) |
RIVERS |
| Pierre __, French novelist whose works include L'Atlantide (1919) |
BENOIT |
| Principality in the Pyrenees |
ANDORRA |
| See 13 |
CODE |
| See 15 Across |
CRUSH |
