‘Abdu’l-Bahá (عبد البهاء‎) (23 May 1844 - 28 November 1921), born `Abbás Effendí, was the son of Bahá'u'lláh, the founder of the Bahá'í Faith. In 1892, `Abdu'l-Bahá was appointed in his father's will to be his successor and head of the Bahá'í Faith.