Abū Rayḥān al-Bīrūnī (d. ca. 442/1050) was an accomplished Iranian scholar and polymath.
Mario Kozah is Assistant Professor of Islamic History and Civilization at the Department of Humanities in the College of Arts and Sciences, Qatar University. His publications include a monograph on al-Bīrūnī titled The Birth of Indology as an Islamic Science: Al-Bīrūnī’s Treatise on Yoga Psychology.
David Gordon White is Distinguished Emeritus Professor of Comparative Religions at the University of California, Santa Barbara. He is the author of Yoga in Practice and The Yoga Sutra of Patanjali: A Biography.