This groundbreaking study explores the origins and evolution of classical Arabic biography, a vital source for understanding Islamic civilization. Author Michael Cooperson reveals how Muslim scholars documented the lives of political, scholarly, and religious figures through concepts of heirship and transmission. The book examines the careers of key historical figures like Caliph al-Ma'mun and Imam Ali al-Rida, reconstructing their stories from various biographical accounts. It offers a unique perspective on how these figures interacted and how their legacies were shaped by posterity.