Person
Hasan ibn Ali
الحسن بن علي
Abu Muhammad
625 CE – 670 CE(aged ~45) Quraysh
Hasan ibn Ali was the son of Caliph Ali who abdicated the caliphate to Mu'awiya, ending the First Fitna temporarily.
Significance
Son of Ali and predecessor caliph before abdication to Mu'awiya
Reputation in tradition
praised
Stated motivation
Successor to Ali
Sources: Wikipedia and classical Islamic biographical literature compiled by automated researchers. Every page is being continuously refined — if something looks off, please check back in a few days.