Jerome Cardan: A Biographical Study by William George Waters is an in-depth exploration of the life, achievements, and enduring legacy of the remarkable Renaissance polymath, Gerolamo Cardano (1501–1576). This comprehensive biography delves into Cardan’s multifaceted career as a mathematician, physician, astrologer, philosopher, and inventor, painting a vivid portrait of a man whose intellect and curiosity knew no bounds. Waters meticulously traces Cardan’s humble beginnings in Pavia, his rise to prominence in Milan, and his tumultuous personal life marked by tragedy, controversy, and relentless pursuit of knowledge. The book examines Cardan’s groundbreaking contributions to mathematics, including his work on algebra and the solution of cubic equations, as well as his influential writings in medicine and natural philosophy. Waters provides insight into Cardan’s eccentric personality, his struggles with superstition and fate, and his complex relationships with contemporaries and rivals. Through detailed analysis of Cardan’s major works, such as Ars Magna and De Vita Propria Liber, the biography reveals the intellectual climate of the Renaissance and the challenges faced by thinkers who dared to defy convention. Richly detailed and engaging, Jerome Cardan: A Biographical Study not only chronicles the life of one of history’s most enigmatic figures but also offers a window into the vibrant world of Renaissance science, culture, and society. It is an essential read for anyone interested in the history of science, mathematics, and the extraordinary individuals who shaped the modern world.