The Book of Contemplation, 39: Book 39 of the Ihya' 'Ulum Al-Din - Muhammad Isa Waley

Muhammad Isa Waley is a British editor, translator, and researcher specializing in the literature of Muslim spirituality in Arabic, Persian, and Turkish, and also in Islamic manuscript studies. He has an MA in Oriental Studies from the University of Cambridge and a PhD in Persian literature from the School of Oriental and African Studies, London. For 45 years he was Curator of Persian and Turkish manuscripts and books at the British Museum and later the British Library, and has worked as a consultant and/or editor for many organizations, publishers, and individuals.