Shaykh Arif Abdul Hussain (born 29 February 1964) is an Islamic scholar and the founder of the Al-Mahdi Institute in Birmingham. After completing his initial training in the Islamic sciences from the Madrasa Imam al-Khoei in London, Shaykh Arif pursued advanced Islamic studies at the religious seminary in Iran where he attended the classes of leading scholars from Najaf and Qom. Upon returning to the United Kingdom in the mid-1990s, Shaykh Arif continued his study of the Islamic legal and philosophical sciences under the tutelage of Ayatollah Ḥusayn al-Amīnī.

Dr. Annemarie Schimmel (7 April 1922 – 26 January 2003) was an influential German Orientalist and scholar who wrote extensively on Islam and Sufism. Internationally renowned, she was a professor at Harvard University from 1967 to 1992. She was multilingual—besides German, English, and Turkish, she spoke Arabic, Persian, Urdu, and Punjabi—and her interests ranged across the Muslim landscape.

Amina Inloes is originally from the US and has a PhD in Islamic Studies from the University of Exeter on Shi'a hadith. She is the program leader for the MA Islamic Studies program at the Islamic College in London and also the Managing Editor of the Journal of Shi'a Islamic Studies.

Amina Haydar al-Sadr, known as Bint al-Huda, was an Iraqi educator and political activist who was executed by Saddam Hussein along with her brother, Ayatullah Sayyid Mohammad Baqir al-Sadr, in 1980. Aminah Haidar as-Sadr was born in 1938 in Kazimiyah, Baghdad where she would eventually establish several religious schools for girls. Bint al-Huda played a significant role in creating Islamic awareness among the Muslim women of Iraq. She was in her twenties when she began writing articles in al-Adwaa, the Islamic magazine printed by the religious intellectuals of Najaf, Iraq in 1959.