| Clue | Source | Date |
|---|---|---|
| Historian originally expressing views in press and TV register | The Times Cryptic | 25 Sep 2023 |
| Historian entered vaguely at first in press and TV register | The Times Cryptic | 02 May 2022 |
| This writer long opposing high-ranking expert devoted to past era | The Telegraph Toughie | 13 Sep 2016 |
| Historian entered vaguely at first in press and TV register |