Quote[...] he had the fortune too to be entirely translated by one of the most accomplished cavalier gentlemen [...]
What a curious snippet...
This is undoubtedly a reference to the anonymous manuscript in the Bodleian Library at Oxford. I wonder if gentlemen is meant, or gentleman. Munro seems to have a hypothesis regarding it's authorship. The list I've seen offers up 25(!) names of proposed translators. (Source: Lucretius and the Early Modern, Norbrook et al.)