a Mughal metallurgist, astronomer, geometer and craftsman, was born and raised in Thatta, Sindh province in Pakistan, during the reign of the Mughal Emperor Shah Jahan and the governorship of the Mughal Nawab Mirza Ghazi Beg of Sindh. In 1559, Muhammad Saleh Thattvi headed the task of creating a massive, seamless celestial globe using a secret cire perdue method in the Mughal Empire, the famous celestial globe of Muhammad Saleh Tahtawi is inscribed with Arabic and Persian inscriptions. Twenty other such globes were produced in Lahore and Kashmir during the Mughal Empire. It is considered a major feat in metallurgy.
