Mirza Aqay-i-Rikab-Saz, an early martyr of the Faith, was the recipient of the Tablet of the Verse of Light, as he had requested that Bahá’u’lláh interpret the isolated letters at the chapter beginnings of the Qur’an. He was devoted to the Báb, unshakable in his faith despite persecution, and did meet Bahá’u’lláh in Iraq.
In Shiraz Mirza Aqay-i-Rikab-Saz, together with Mirza Rafi-i-Khayyat and Mashhadi Nabi, were by order of the local mujtahid simultaneously strangled in the dead of night, their graves being later desecrated by a mob who heaped refuse upon them.
Shaykh Muhyid-Din, a Sufi judge in Kurdistan, was in correspondence with Bahá’u’lláh upon His return to Baghdad . Bahá’u’lláh wrote The Seven Valleys in reply to his question.
Shaykh Abdur-Rahman, the leader of the Qadiriyyih Sufis, received the Four Valleys in correspondence from Bahá’u’lláh.
Brown, Kathryn, Davis, Sharon and Johnson, Karen. “Timeline to the Baghdad Period: Themes of Early Tablets and Historical Personages Related to them” Bahai-Library.com: Winters, Jonah
Baha’i World Centre Archives