At the intersection of mathematics and humanity, a life reveals itself. Genius and humanity converge here. Robert Perceval Graves's Life of Sir William Rowan Hamilton, Andrews Professor of Astronomy in the University of Dublin and Royal Astronomer of Ireland, remains an essential nineteenth-century biography that balances technical exposition with warm remembrance. As a scientific biography collection and a historical letters anthology, it assembles memoir, mathematical correspondence and selections of poetry and writings so readers can follow the line from algebraic invention to private reflection. Graves writes with patient precision, rendering complex ideas accessible while preserving the original voice of a leading Victorian intellectual; the result rewards casual readers interested in Victorian science history and anyone curious about Ireland in the nineteenth century, and it serves as a reliable academic research resource for specialists. Graves's study is of wider significance: Hamilton shaped modern mechanics and the history of astronomy, and his life illuminates the networks of Victorian intellectuals across Ireland and Britain. The volume sits among the most readable biographies of mathematicians, combining technical clarity with the literary sensibility that lets correspondence breathe. The assembled correspondence and essays preserve exchanges with contemporaries and illuminate scientific practice, the evolution of key ideas, and the cultural life of Ireland in the nineteenth century. Out of print for decades and now republished by Alpha Editions. Restored for today's and future generations. More than a reprint - a collector's item and a cultural treasure. Collectors of classic literature will value the book's restored presence on a shelf; casual readers will find immediate reward in its human detail, while researchers will rely on its carefully gathered letters and notes as a primary academic resource. For anyone drawn to the history of astronomy, the life of a national scientist, or the intimate world of Victorian minds, this edition rescues a central text on the Royal Astronomer of Ireland.