Fatimih Baraghani, known by the titles Tahirih, 'the Pure One,' and Qurrat al-'Ayn, 'solace of the eyes,' was born around 1814 into a family of Qazvin clerics steeped in Shi'i jurisprudence; she was reading and writing on religious law from childhood in an era when this was rare for a woman of her class. She married a cousin and had children, but her intellectual life ran ahead of her domestic one, and she began corresponding with Shaykhi teachers whose ideas anticipated the Babi movement before she had met either the movement's founders or the Bab himself.
When the Bab declared his mission in 1844, he named eighteen early followers the Letters of the Living, the first to recognize him, and included Tahirih among them without ever having met her in person, on the strength of her writings and reputation alone. She was the only woman in the group, and her position within it did not go uncontested, since a female religious authority of her rank had no precedent in the Iranian clerical world either movement had grown out of. She traveled to Karbala and then across Iran, teaching, debating established clerics and drawing both fervent followers and fierce opposition wherever the Babi movement was already spreading.
Her scholarship gave her a standing among the early Babis that few outside the Bab's own family matched, and it is this standing, more than any single act, that later Babi and Baha'i histories treat as her lasting significance: a woman recognized as a peer by male religious authorities on the basis of learning alone, inside a movement that had not yet decided what it thought about that fact.