Louis Maigret (or Meigret) was the author of the ''Traité de la Grammaire française'', which was published in 1550. This was the first grammatical description of French.

References

Malmberg, Bertil. 1991. ''Histoire de la linguistique, de Summer à Saussure''. Paris: Presses Universitaires de France. Scolar Press issued a facsimile reprint in 1969, R. C. Alston, editor. https://www.biblio.com/book/trette-grammere-francoeze-reponse-defenses-reponse/d/1162675702?view=1 Linguists from France Linguists of French 16th-century French writers 16th-century male writers French male writers {{france-nonfiction-writer-stub