Joshua Kirby (1716 – 1774), often mistakenly called John Joshua Kirby,[1] was an English 18th-century landscape painter, engraver, writer, draughtsman and architect[2] famed for his publications and teaching on linear perspective based on Brook Taylor's mathematics.[3]
^See, correcting this, Owen, Felicity. "Kirby, Joshua". Oxford Dictionary of National Biography (online ed.). Oxford University Press. doi:10.1093/ref:odnb/15646. (Subscription or UK public library membership required.) amending George Goodwin's 1892 article in the old DNB: and, e.g., Susan Sloman, Gainsborough's Landscapes: Themes and Variations (Philip Wilson Publishers, 2011), p. 25, footnote 44. Joshua Kirby is not referred to as 'John Joshua' during his own lifetime.