Karl Marx
Asim Khan
Moyshe Altshuler
Haidar Bagir
Joe Sacco
Sigmund Freud
Jalaludin Rakhmat
Yusuf Qardhawi
Ibrahim Muhammad Hasan Al-Jamal
Faqihuddin Abdul Kodir
Eric Weiner
Tatik Hidayati
Karen Armstrong
Seyyed Hossein Nasr
Asghar Ali Engineer
Musa Kazhim Alhabsyi
Geoffrey Parrinder
Louis Dupré
Carlos Fraenkel
Claude Guillot
Said Ramadhan Al-Buthy
Allama Iqbal
Husein Muhammad
Haidar Bagir, Ulil Abshar Abdalla
Friedrich Nietzsche
Eko Prasetyo