From 1777 to 1783 James Boswell was a columnist for the London Magazine, writing a total of seventy essays under the pseudonym the Hypochondriack.
Scotsman in the Dutch army in the 1760s. A Colonel living in The Hague in 1764.
Life with Boswell:
Boswell met Houston a few times during his stay in Holland 1763-64.
Source: Boswell in Holland 1763-64