Thakkar Pheru

Thakkar Pheru (IAST: Ṭhakkura Pherū) was treasurer of Khalji He was active between 1291 and 1347.^[1]^[2]

Alauddin Khalji recruited Ṭhakkura Pherū, a Shrimal Jain as an expert on coins, metals and gems.^[3] 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."^[4] He was continuously employed until the rule of Ghiasuddin Tughluq.^[5]

He is also known for his work on mathematics Ganitasārakaumudi.^[6]^{[better source needed]}

References

^ The Mathematics Student, Volumes 58-59, p. 247, Indian Mathematical Society (1990)
^ Sreeramula Rajeswara Sarma, trans., with introduction, Sanskrit chāyā and commentary, Ṭhakkura Pherūʼs Rayaṇaparīkkhā: A Medieval Prakrit Text on Gemmology (Aligarh: Viveka, 1984).
^ Itihas ki Amarbel Oswal, Mangilal Bhutoria
^ Sreeramula Rajeswara Sarma, trans., with introduction, Sanskrit chāyā and commentary, Ṭhakkura Pherūʼs Rayaṇaparīkkhā: A Medieval Prakrit Text on Gemmology (Aligarh: Viveka, 1984): 21.
^ ‘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.
^ http://www.srsarma.in/pdf/mybooks/mybooks_reviews/R_GSK_Ikeyama.pdf ^{[bare URL PDF]}