Mathematician:Acharya Hemachandra

Hemachandra Acharya Sūrī (Sanskrit: हेमचन्द्र सूरी) was an Indian all-rounder who, among other things, investigated the Fibonacci sequence, following Gopāla. His birth name was Candradeva. He took the name Hemachandra later in life: it is variously rendered. Hemchandra and Hemacandra are sometimes seen.

Nationality
Indian

History

 * Born: 1089, Dhandhuka, Gujarat (about 100 km south west of Ahmadabad)
 * Died: 1185

Books and Papers

 * Tri-shashthi-shalaka-purusha-charitra (Lives of Sixty-Three Great Men)
 * Kavyanushasana: poetics or hand book of poetry/manual of poetry.
 * Desinamamala: a list of words of local origin
 * Siddha-haima-shabdanushasana: Prakrit and Apabhramsha grammars
 * Abhidhana-chintamani
 * Dvyashraya-Mahakavya