Giovanni Mario Alessandri was an Italian Hispanist and grammarian from the 16th century. He spent a time at the Spanish royal court and he wrote the first

Spanish grammar Spanish is a grammatically inflected language, which means that many words are modified ("marked") in small ways, usually at the end, according to their changing functions. Verbs are marked for tense, aspect, mood, person, and number (resulting ...

for Italians, ''Il Paragone della Lingua Toscana et Castigliana'' (Nápoles: Mattia Cancer, 1560).''Il Paragone della Lingua Toscana et Castigliana''
/ref> There he is particularly careful with

phonetics Phonetics is a branch of linguistics that studies how humans produce and perceive sounds, or in the case of sign languages, the equivalent aspects of sign. Linguists who specialize in studying the physical properties of speech are phoneticians. ...

. This work was inspirational for

Giovanni Miranda Giovanni Miranda was an Italian Hispanist and grammar In linguistics, the grammar of a natural language is its set of structure, structural constraints on speakers' or writers' composition of clause (linguistics), clauses, phrases, and words ...

's ''Osservationi de la lingua castigliana''.

References

Italian Hispanists Grammarians from Italy Linguists of Spanish 16th-century Italian writers {{Italy-linguist-stub