Patanjali

Patañjali (fl. 150 BCJonardon Ganeri, Artha: Meaning, Oxford University Press 2006, 1.2, p. 12 or 2nd century BCS. Radhakrishnan, and C.A. Moore, (1957). A Source Book in Indian Philosophy. Princeton, New Jersey: Princeton University, ch. XIII, Yoga, p. 453Gavin A. Flood, 1996) lived in the 2nd century. He was an Indian. He wrote the first grammar of Sanskrit language. He also wrote books about yoga.
He is also the author of the Mahabhyasa, a commentary on Katyayana's varttikas on Panini's Astadhyayi as well as an unspecified work of medicine (Ayurveda). 

References

Category:Yoga
Category:Hinduism
Category:Indian writers
Category:2nd-century BC people