Thakkar Pheru

Thakkar Pheru (IAST: Ṭhakkura Pherū) was an author of books on mathematics, coins, and gems in Delhi. He was active between 1291 and 1323.[1]

Alauddin Khalji recruited Ṭhakkura Pherū, a Shrimal Jain from Kannāṇā (modern Kalpana) in Haryana, as an expert on coins, metals and gems.[2] For the benefit of his son Hemapal, he wrote several books on related subjects including Dravyaparīkṣa in 1318 based on his experience at the master mint, and the Ratnaparikṣa (Pkt. Rayaṇaparikkhā) in 1315 "having seen with my own eyes the vast collection of gems … in the treasury of Alāʾ al-Dīn Khaljī." [3] He was continuously employed until the rule of Ghiasuddin Tughluq.[4]

He is also known for his work on mathematics Ganitasārakaumudi[5]

References
  1. Sreeramula Rajeswara Sarma, trans., with introduction, Sanskrit chāyā and commentary, Ṭhakkura Pherūʼs Rayaṇaparīkkhā: A Medieval Prakrit Text on Gemmology (Aligarh: Viveka, 1984).
  2. Itihas ki Amarbel Oswal, Mangilal Bhutoria
  3. Sreeramula Rajeswara Sarma, trans., with introduction, Sanskrit chāyā and commentary, Ṭhakkura Pherūʼs Rayaṇaparīkkhā: A Medieval Prakrit Text on Gemmology (Aligarh: Viveka, 1984): 21.
  4. ‘A Jain Assayer at the Sulṭān’s Mint’ in: Jayandra Soni (ed), Jaina Studies: Proceedings of the DOT 2010 Panel in Marburg, Germany, New Delhi, pp. 7-32.
  5. .http://www.srsarma.in/pdf/mybooks/mybooks_reviews/R_GSK_Ikeyama.pdf


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