Mishkín-Qalam

Mírzá Ḥusayn-i-Isfahání (surnamed Mis͟hkín-Qalam (مشكین قلم) meaning "jet-black pen"; 1826  1912) was a prominent Baháʼí and one of the nineteen Apostles of Baháʼu'lláh, as well as a famous calligrapher of 19th-century Persia. He is the author of a calligraphic rendering of the Greatest Name, used by Baháʼís around the world.