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## Adipurana
**Vadirbhasah** - This was a high-ranking poet and a lion for those who were elephants in the form of debate. His roar silenced the debaters. Vadirbhasah Muni was a disciple of Pushpasen. Three of his works are available today, two of which are prose and poetry, and the other is a beautiful treatise on the Nyaya of 'Syadvad Siddhi'. Sadly, it is only available in an incomplete form. If these two scholars are the same person due to the similarity in names, then their time period could be the 8th century Vikram era.
**Virensen** - He was the Acharya of the Mula Sangha Panch-stupa Anvaya, which became famous in the world as the Sen Sangha. He was a disciple of Chandrasen, a student of Aryananda, and the Guru of Jinasenacharya. Virensenacharya studied the Shatkhandagama and the principles like Kashayaprabhrut, etc., near Elacharya in Chitrakoot. He passed away after writing the 'Dhavla Tika' on Shatkhandagama, which is 72,000 verses long, and the 'Jayadhavla Tika' on Kashayaprabhrut, which is 20,000 verses long. The remaining 40,000 verses of the Jayadhavla Tika were completed by his disciple, Jinasenacharya. Apart from these, Acharya Virensen also wrote a commentary on the 'Siddh Bhupaddhati' which is mentioned by Gunabhadracharya. This commentary is unavailable. The time period of Virensenacharya is the first half of the 9th century Vikram era.
**Jayasen** - He was a great ascetic, a peaceful soul, a scholar, and a leader among the learned. Punnat Sanghi Jinasen, the author of the Harivansh Purana, mentions Jayasen, the Guru of Amitasen, who lived for a hundred years. He describes him as a great teacher, victorious over the senses, a holder of the Agama in the form of Karma-prakriti, a renowned grammarian, influential, and a master of the entire ocean of knowledge. This makes him appear to be a great yogi, ascetic, and influential theoretical Acharya. It is not surprising if he was also the author of some Karma-granth, as he was a holder of the Agama in the form of Karma-prakriti. However, we have not seen any authentic mention of any book written by him. It seems that both these Jinasens are the same person. The Guru Parampara given by the author of the Harivansh Purana clearly shows that if we assume 25-25 years for Amitasen, who lived for a hundred years, and his disciple Kirtisen, which is very less, and subtract it from the time of the composition of the Harivansh Purana (Shak Samvat 705, Vikram Samvat 840), then the time period of Jayasen could be around Shak Samvat 655, Vikram Samvat 760. This means that Jayasen was a scholar-Acharya of the 8th century Vikram era.
**Kaviprameswar** - Acharya Jinasen, revered by poets and known as Kaviprameswar, is described as the author of the Purana named 'Vagarth Sangrah' by the poets. Acharya Gunabhadra describes his Purana as a prose narrative, containing all meters and figures of speech, subtle meaning, and deep word composition, as is clear from his following verse:
"Kaviprameswar Nigavita Gadyakathamatrakam (Matrikam) Purocharitam