Schmidhauser (in Bakker 201: 499) ascribes the 'creation of Greek Grammar' to Chrysippus of Soli (c. 400 BCE).
A personal checklist of memorable wordings in Part I and Part II of Richard P. Martin’s Mythologizing Performance
How myths that connect the hero Philoctetes with the goddess Chryse are related to myths about a koúrē ‘girl’ named Chryseis