The most successful, hence most prominent amongst these grammarians was Panini. His grammar, surpassing all others in tightness and precision, became the standard and remained so undisputedly until today. Panini was able to joint the original devanagari language into an exact framework of rules, thus preserving it for the posterity. Since his time, this language is called Sanskrit, joined together, refined.
An Analytical Study of 'Sanskrit' and 'Panini' as Foundation of Speech Communication in India and the World