In Chemistry and Alchemy, François Jollivet-Castelot explores the fascinating evolution of alchemical thought and its profound influence on the birth of modern chemistry. A pioneering work that bridges the mystical practices of the past with the scientific principles of the present, Jollivet-Castelot reveals how alchemy laid the foundation for the development of contemporary chemistry, while also preserving its deep spiritual and symbolic dimensions. Through a detailed examination of alchemical symbols, processes, and philosophies, Jollivet-Castelot uncovers the hidden wisdom embedded in alchemical practices, showing that they were not simply for the transformation of base metals, but for the spiritual transmutation of the practitioner’s soul. At the same time, he highlights the transition from esoteric alchemical methods to the rational, empirical framework that characterizes modern chemistry. Chemistry and Alchemy is a captivating study that invites readers to appreciate the rich history of these interconnected disciplines. It is an essential read for anyone fascinated by the mystical origins of modern science, as well as those interested in the deeper, spiritual meanings of alchemy. François Jollivet-Castelot (1881–1938) was a French chemist, occultist, and writer, renowned for his works on alchemy and the mystical traditions of the Western esoteric tradition. A key figure in the early 20th-century revival of alchemical thought, Jollivet-Castelot's writings combine a scientific approach with a deep understanding of spiritual symbolism and hidden knowledge. His most influential works, such as The Alchemical Tradition and The Secret of the Philosophers' Stone, explore the intersection of alchemy, spirituality, and personal transformation. Jollivet-Castelot’s unique ability to bridge the gap between science and mysticism has earned him a devoted following among esoteric scholars and spiritual seekers. His legacy continues to inspire those interested in unlocking the hidden mysteries of the alchemical path and the transformative power of esoteric wisdom.