"Forgotten Experts offers abrilliant examination of the work of Ottoman courtly scientific experts. A. Tunç Şen sets a new standard for historians of science in Islamic societies to carefully consider the local contexts of 'expertise' and how it was employed by rulers."—Nahyan Fancy, University of Exeter "Written in a clear, accessible style, with meticulous archival research, Forgotten Experts is a major contribution to the burgeoning field of Ottoman science studies. A. Tunç Şen neither devalues nor valorizes the subjects of his study, but gives us a sober and enlightening view of court astrologers."—F. Jamil Ragep, McGill University "As a third-generation scholar of Ottoman science, A. Tunç Şen draws from extensive scientific literature and research since the 1980s to provide a nuanced analysis of Munajjims, or astral experts. In this pioneering study, Şen explores the complex relationship between the Ottoman Empire's scientific functionaries and courtly decision-makers, showcasing the significant role these experts played in shaping historical decisions. A groundbreaking work."—Ekmeleddin İhsanoğlu, Honorary President, Turkish Society for History of Science