A Mexican restaurant at 45 Camden Passage, Islington.
And on the wall:
'ALEXANDER CRUDEN 1699–1770
HUMANIST SCHOLAR AND INTELLECTUAL
BORN ABERDEEN EDUCATED MARISCHAL COLLEGE
CAME TO LONDON 1719 AS TUTOR APPOINTED
BOOKSELLER TO QUEEN CAROLINE IN 1737
COMPILED THE CONCORDANCE TO THE BIBLE
DIED HERE IN CAMDEN PASSAGE NOVEMBER 1st
Whom niether [sic] infirmity not neglect could debase Nelson 1811'
I can't claim to know much about Alexander Cruden at all, although if there is a great deal of truth in Wikipedia's present representation of him (accessed the same date as this post) then he was a very interesting person indeed: