Pamela
(1740) and
Clarissa Harlowe
(1748) of English writer Samuel Richardson helped to legitimize the novel as a literary form in English.
People best know major 18th-century epistolary novels
Sir Charles Grandison
(1753).
Richardson, an established printer and publisher for most of his life, at the age of 51 years then wrote his first novel; people immediately most admired him of his time.
https://en.wikipedia.org/wiki/Samuel_...