So how did the classical Latin become so incoherent? According to McClintock, a 15th century typesetter likely scrambled It’s difficult to find examples of lorem ipsum in use before Letraset made it popular as a dummy text in the 1960s, although McClintock says he remembers coming across the lorem ipsum passage in a book of old metal type samples. So far he hasn’t relocated where he once saw the passage, but the popularity of Cicero in the 15th century supports the theory that.