Martin Gansten, Ph.D. (2003), Lund University, is a Sanskritist and historian of religion specializing in Indic religions as well as the global transmission history of horoscopic astrology.
Authored in 1649 CE by Mughal court astrologer Balabhadra Daivajña, The Jewel of Annual Astrology is an encyclopaedic treatise on Tājika or Sanskritized Perso-Arabic astrology. Martin Gansten's scholarly edition and translation is the first ever of a Tājika text.