The Right Honourable Sir Henry Enfield Roscoe P.C., D.C.L., F.R.S. A Biographical Sketch is a comprehensive and insightful account of the life and achievements of one of the most distinguished chemists and public figures of the nineteenth and early twentieth centuries. This biographical sketch delves into the remarkable journey of Sir Henry Enfield Roscoe, chronicling his early life, education, and the influences that shaped his scientific career. The narrative explores Roscoe’s pioneering work in the field of chemistry, particularly his groundbreaking research on vanadium and his collaboration with Robert Bunsen, which led to significant advancements in photochemistry. The book provides a detailed look at Roscoe’s academic contributions, including his tenure as Professor of Chemistry at Owens College, Manchester, where he played a pivotal role in transforming the institution into a leading center for scientific research and education. It highlights his dedication to the advancement of science, not only through his own research but also through his efforts to promote scientific education and his involvement in various scientific societies. Beyond his scientific endeavors, the biography sheds light on Roscoe’s public service and political career. As a Member of Parliament and later as a Privy Councillor, Roscoe was instrumental in advocating for educational reforms and the expansion of scientific knowledge to broader segments of society. The book also touches upon his personal life, his relationships with family and colleagues, and the values that guided his work and public service. Richly illustrated with anecdotes, personal reflections, and historical context, this biographical sketch offers readers an engaging portrait of Sir Henry Enfield Roscoe—a man whose legacy continues to influence the fields of chemistry, education, and public policy. It is an essential read for anyone interested in the history of science, the development of higher education in Britain, and the life of a true Victorian polymath.