Disclaimer: This translation does not guarantee complete accuracy, please confirm with the original page text.
They are from the ninth or tenth century of Vikrama. Some of their works are available. They are a distinguished scholar of Indian philosophy and have written a significant commentary called Shlekhavartika on Tattvartha, rivaling renowned Mimamsa scholars like Kumarila, and providing a strong rebuttal to the fierce attacks made by Mimamsa proponents on Jain philosophy.
Two Digambara scholars, named Mrutsagar, have composed two separate commentaries on Tattvartha based on Shrutas.
All were Digambara scholars, including Vibudhasena and others, who have written general commentaries on Tattvartha. Specific information about them is not readily available. In addition to these various Sanskrit interpretations and the commentary of Chovindra, many Digambara scholars have written commentaries in different languages on Tattvartha. Some of them have even composed commentaries in Kannada, while others have written in Hindi.
3. To gather external and internal detailed information about the original Tattvarthasutra, four aspects are considered based on the primary text: 1. Inspirational material, 2. Purpose of the composition, 3. Style of composition, and 4. Subject description.
1. See the introduction of "Ashtasahastri" and "Tattvarthaplekhavarika."
2. For this, refer to the introduction of the Hindi translation of "Bhatavarthabhashya" by Sri Nathuramji Premilikhit.