▁Mul lah ▁Hus ay n ▁and ▁Si yy id ▁Al í - M u ham mad ▁( The ▁B áb ) ▁ ▁On ▁May ▁ 2 3 , ▁ 1 8 4 4 , ▁during ▁his ▁search ▁for ▁the ▁Mah di , ▁M ull á ▁Hus ay n ▁encountered ▁a ▁young ▁man ▁in ▁Sh ira z ▁named ▁Si yy id ▁Al í - M u ham mad . ▁ ▁Ali - M u ham mad ▁had ▁visited ▁some ▁of ▁Si yy id ▁Kaz im ' s ▁classes , ▁and ▁later ▁tell ings ▁assert ▁that ▁Si yy id ▁Kaz im ▁imp lied ▁a ▁connection ▁between ▁his ▁own ▁predictions ▁about ▁the ▁Mah di ▁and ▁this ▁Al í - M u ham mad ▁att ending ▁his ▁class . ▁Ali - M u ham mad , ▁in ▁that ▁same ▁May ▁ 2 3 ▁meeting , ▁took ▁the ▁title ▁of ▁the ▁B áb ▁and ▁claimed ▁to ▁be ▁the ▁gate ▁between ▁the ▁Sh i ʻ a ▁and ▁the ▁hidden ▁Tw elf th ▁Im am . ▁He ▁only ▁claimed ▁to ▁be ▁the ▁Im am ▁in ▁person ▁a ▁short ▁time ▁before ▁his ▁death ▁in ▁ 1 8 5 0 . ▁ ▁M ull á ▁Hus ay n ▁ultimately ▁accepted ▁this ▁claim , ▁as ▁did ▁many ▁leading ▁Sh ay k hi ▁students . ▁ ▁Most ▁of ▁these ▁went ▁on ▁to ▁become ▁the ▁earliest ▁B áb ís . ▁ ▁The ▁B áb ▁was ▁ultimately ▁l abeled ▁a ▁her etic , ▁thrown ▁into ▁prison ▁and ▁was ▁executed ▁July ▁ 9 , ▁ 1 8