This review explores Jean Hamburger's "The Diary of William Harvey," a novel published in 1983 that imaginatively reconstructs the life and thoughts of William Harvey, the pioneering scientist who discovered blood circulation. Hamburger, a prominent figure in nephrology, crafts a narrative that spans from 1647 to 1654, offering a fictional diary that delves into Harvey's reflections on his scientific achievements and the turbulent political landscape of 17th-century England. The book provides insights into Harvey's interactions with notable contemporaries, including King Charles I and Thomas Hobbes, while highlighting his challenges against prevailing medical doctrines. Hamburger's portrayal emphasizes Harvey's commitment to empirical evidence and his philosophical musings on life and the human condition. The novel captures Harvey's struggle against the entrenched beliefs of his time, particularly the Galenic doctrine, and his dedication to scientific inquiry despite resistance from figures like James Primrose and Jean Riolan. Through vivid imagery, Hamburger explores Harvey's innovative research approach, including his studies on the heart and his analogy of the heart to a bagpipe. The book also reflects on Harvey's personal life and loyalty to King Charles I. Hamburger's work transcends mere historical fiction, offering a profound meditation on the essence of scientific inquiry and the human spirit. "The Diary of William Harvey" serves as a testament to the enduring impact of those who challenge conventional wisdom and pursue knowledge with courage and compassion, making it relevant to contemporary discussions in medicine, philosophy, and ethics.