1647), was an Iranian bureaucrat and historian, who is known for his historical chronicle of Kholasat al-Siar, composed during the reign of Shah Safi (r. 1629–1642).
[1] A native of Isfahan, he belonged to a family of landowners and bureaucrats, who were descendants and relatives of Mirza Shah Hossein (died 1523), who had served as the grand vizier of Shah Ismail I (r. 1501–1524) for nine years.
Mohammad Masum Isfahani's father was Khvaja Ali-Shah, under whom he worked as an apprentice in scribing.
When he was young, Mohammad Masum was keen on reading large chronicles and narrative sources in Persian and Arabic.
[1] Mohammad Masum died at Ganja during the early reign of Shah Abbas II (r. 1642–1666).