Claim: As his name indicated, Ustad Ahmad (scientist in present day India during Mughal Empire) originally hailed from Lahore and in writings by Lahori's son, Lutfullah Muhandis, one scientist is mentioned by name; Ustad Ahmad Lahori.
Evidence: Ustad Ahmad Lahori was an architect in present day India during Mughal Empire. In writings by Lahori's son, Lutfullah Muhandis, two architects are mentioned by name; Ustad Ahmad Lahori and Mir Abd-ul Karim.