पतंजलि...

Patañjali (Devanāgarī पतञ्जलि) (fl. 150 BCE[1] or 2nd c. BCE[2][3]) is the compiler of the Yoga Sutras, an important collection of aphorisms on Yoga practice, and also the author of the Mahābhāṣya, a major commentary on Panini's Ashtadhyayi. However, whether these two works are that of the same author or not remains in some doubt.

In recent decades the Yoga Sutra has become quite popular worldwide for the precepts regarding practice of Raja Yoga and its philosophical basis. "Yoga" in traditional Hinduism involves inner contemplation, a rigorous system of meditation practice, ethics, metaphysics, and devotion to God, or Brahman. At the same time, his Mahābhāṣya, which first foregrounded the notion of meaning as referring to categorization, remains an important treatise in Sanskrit linguistic philosophy.

http://en.wikipedia.org/wiki/Patanjali

Whether these two works are by the same author has been the subject of considerable debate. The authorship of the two are first attributed to the same person in Bhojadeva's Rajamartanda, a relatively late (10th c.) commentary on the Yoga Sutras[4], as well as a large number of subsequent texts. As for the texts themselves, the Yoga Sutra iii.44 cites a sutra as that from Patanjali by name, but this line itself is not from the Mahābhāṣya. However, certain themes such as the unity of the constituent parts appear common to both. Sources of doubt include the lack of cross-references between the texts, and no mutual awareness of each other, quite unlike other cases of multiple works by (later) Sanskrit authors. Also, some elements in the Yoga Sutras may date from as late as the 4th c. AD[3], but such changes may be due to divergent authorship, or due to later additions which are not atypical in the oral tradition. In the absence of any concrete evidence for a second Patanjali, and given the approximately same time frame for the origin of both texts, and the traditional ascription of both to a Patanjali most scholars simply refer to both works as "by Patanjali".

In addition to the Mahābhāṣya and Yoga Sutras, the 11th c. text on Charaka by Chakrapani, and the 16th c. text Patanjalicharita ascribes to Patanjali a medical text called the Carakapratisamskritah (now lost) which is apparently a revision (pratisamskritah) of the medical treatise by Charaka. Some have cited the Patanjali reference in Yoga Sutra as possibly being from this text. Were he to be the author of all three works, it would be quite amazing, although such diversity would not be very uncommon in many early civilizations, as in the work of Pingala or Katyayana, both grammaticians who also worked in mathematics, or their contemporary Aristotle, say.

One tradition holds that all three works are by the same author, as in this invocation:[5]

In one popular legend, Patañjali was born to Atri (First of the Saptha Rishis) and his wife Anusuya (this would make him go back to the time of the creation by Brahma). According to this tradition, Anasuya had to go through a stern test of her chastity when the Trimurti (Brahma, Vishnu, Shiva) themselves came as Bhikshuks and asked her for Bhiksha. She passed their test by accepting them as her children and fed them while naked. She got the boon where all the 3 Murtis will be born to them. They were SomaSkandan or Patañjali, Dattatreya, and Durvasa.


Regarding his early years, a Tamil Shaivite tradition from around 10th c. AD holds that Patañjali learned Yoga along with seven other disciples from the great Yogic Guru Nandhi Deva, as stated in Tirumular's Tirumandiram (Tantra 1).

Nandhi arulPetra Nadharai Naadinom
Nandhigal Nalvar Siva Yoga MaaMuni
Mandru thozhuda Patañjali Vyakramar
Endrivar Ennodu(Thirumoolar) Enmarumaame

English translation

By receiving Nandhi's grace we sought the feet of the Lord
The Four Nandhis (Sanagar, Santhanar, Sanath Sujatar, Sanath Kumarar),
Siva Yoga Maamuni, Patañjali, Vyakramapadar and I (Thirumoolar)
We were thus eight disciples.

The ancient Kali Kautuvam also describes how Patañjali and Vyagrapada gathered along with the gods in Thillai near Chidambaram to watch Shiva and Kali dance and perform the 108 mystic Karanas, which formed the foundation for the system of Natya Yoga.

This Tamil tradition also gives his birth place in South Kailash, possibly the modern day Thirumoorthy hills near Coimbatore. Some other traditions feel that his being born in Bharatavarsha - the part of the ancient world corresponding to South Asia - is beneath his godlike status, and that he must have been born in the Jambudvipa, the mythical center of the universe.

Patañjali as Siddha is also mentioned by the goldsmith-sage Bogar:

It was my Grandfather who said, "Climb and see."
But it was Kalangi Nathar who gave me birth.
Patañjali,Viyagiramar,and Sivayogi Muni all so rightly said,
"Look! This is the path!" - Bhogar, 7000 sayings


This tradition also holds that Patañjali was a master of dance.