Pingala
Acharya Pingala (Sanskrit: पिङ्गल, romanized: Piṅgala; c. 3rd–2nd century BCE) was an ancient Indian poet and mathematician, and the author of the Chandaḥśāstra (Sanskrit: छन्दःशास्त्र, lit. 'A Treatise on Prosody'), also called the Pingala Sutras (Sanskrit: पिङ्गलसूत्राः, romanized: Piṅgalasūtrāḥ, lit. 'Pingala's Threads of Knowledge'), the earliest known treatise on Sanskrit prosody.