Sulpizio, Giovanni.

"Giovanni Sulpizio da Veroli or Johannes Sulpitius Verulanus or Verolensis (fl. c. 1470 1490) was an Italian Renaissance humanist and rhetorician. Known to Erasmus, he was the author of a work on epistolary art, the proper composition and ornamentation of letters, De componendis et ornandis epistoli (c. 1475)."