"For all of us, Mikhail Chistyakov was an assistant on the path to comprehending the knowledge of Zoroastrianism, a friend and advisor in various situations,” noted a write-up on the website of Zoroastrians of St Petersburg following his demise on July 29, 2025. Confined to the bed for the last five months after suffering a cerebral stroke, he ultimately succumbed to pneumonia. Prior to his cremation, his friends prayed for his soul in Avestan, mentioned researcher Aleksandra (Sasha) Zasiadko when speaking to Parsiana on August 12. His study of the Zoroastrian religion and Avestan script had resulted in his publication......