Haji Abdul Malik Karim Amrullah, better known by his pen name Hamka (17 February 1908 – 24 July 1981), was a renowned Indonesian ʿālim, philosopher, writer, novelist, lecturer, politician, and journalist. Initially affiliated with the Masyumi Party, Hamka was imprisoned due to his connections with the PRRI rebellion. He served as the inaugural chief cleric of the Indonesian Ulema Council and remained active in the Muhammadiyah movement until his death.

Hamka was recognized with honorary doctorates from Al-Azhar University and Malaysian National University, and he was appointed as a Distinguished Professor by Moestopo University of Jakarta. His legacy includes being the namesake of Hamka Muhammadiyah University in Jakarta and being honored as an Indonesian National Hero.