| Marshal __, chief of state in Vichy France, 1940-1944 |
PETAIN |
| Metadata used to link social media posts |
HASHTAG |
| Niels __, Danish physicist and Nobel laureate |
BOHR |
| Primary index for the LSE |
FTSE |
| River running through ten European countries |
DANUBE |
| See 13 Across |
BACK |
| See 13 Across |
OURGIRLS |
| See 4 Down |
LIVES |
| See 4 Down |
MATTER |
| Sir __ Berlin, author of The Hedgehog and the Fox |
ISAIAH |
| Stan __, acting partner of Oliver Hardy |
LAUREL |
| The only country with which the UK shares a land border |
IRELAND |