He was the second and only surviving son of Sir John Strange, by his wife Susan, eldest daughter of Edward Strong of Greenwich, born at Barnet in 1732.
Shortly afterwards he was elected F.S.A., and as the result of a summer spent in South Wales in 1768, he contributed to the first number of the Archæologia "An Account of Roman Remains in and near the City of Brecknock".
But he paid several further visits to Italy in connection with the transportation of the collections that he had formed there, of books, manuscripts, antiquities, and pictures, chiefly by Bellini and other Venetian masters.
[1][3] From information supplied by Alberto Fortis, Strange made communications to the Society of Antiquaries upon the Roman inscriptions and antiquities of Dalmatia and Istria, an area then little known in Western Europe.
This was translated into Italian, and considerably expanded in "Lettera sopra l'origine della carta naturale di Cortona" (Pisa, 1764, and again, enlarged, 1765); "An Account of some Specimens of Sponges from Italy" (March 1770, lx.
[1] By his will, Strange directed all of his collections to be sold—the pictures by private contract; the prints, drawings, busts, coins, medals, bronzes, and antiquities by Christie's; the natural history cabinets by King, and the library by Leigh & Sotheby's.