Ali Shariati Mazinani was an Iranian revolutionary and sociologist who focused on the sociology of religion. He is held as one of the most influential Iranian intellectuals of the 20th century, and has been called the "ideologue of the Islamic Revolution", although his ideas did not end up forming the basis of the Islamic Republic.

Sir Muhammad Iqbal was a South Asian Islamic philosopher, poet and politician. His poetry is considered to be among the greatest of the 20th century, and his vision of a cultural and political ideal for the Muslims of British-ruled India is widely regarded as having animated the impulse for the Pakistan Movement. He is commonly referred to by the honourific Allama. and widely considered one of the most important and influential Muslim thinkers and Western religious philosophers of the 20th century.