The Religious Authority Grand Ayatollah Sayyed Mirza Mahdi Shirazi, may Allah bless his soul, was born in the holy city of Karbala in 1304 AH, and passed away on 28 Sha'ban 1380 AH. His late father died when he was still young, so his mother and brother Sayyid Abdullah raised him. He first studied primary grammar and arithmetic in Karbala then moved to the holy city of Samarra and worked in researches, studies and teaching there for a long period of time. Then, he traveled to Kadhimiya and stayed there, engaging in research and study for a period of time. Afterwards, the Sayyid returned to the holy city of Karbala and remained a short time, and then moved to Najaf and remained there nearly twenty years, then again returned to the holy city of Karbala, where he remained until his death.