A singular mind, laid bare. A life in meticulous detail. Volume III of Robert Perceval Graves's Life of Sir William Rowan Hamilton assembles selections from poems, correspondence and miscellaneous writings into a vivid nineteenth century biography and scientific biography collection that privileges voice as much as chronology. Private verse sits alongside astronomer correspondence and official notes, producing a historical letters anthology whose small domestic moments reveal the habits that underpinned public discovery. The interplay of calculation and lyric becomes a recurring theme: correspondence about observation and office matters rests near private lines of verse, so readers sense how the pedagogy of the university and the solitude of the study shaped intellectual practice. Graves's sympathetic curation offers readable narrative without flattening complexity; Hamilton appears as a thinking, feeling participant in the debates of victorian era science and a consequential figure in irish mathematician history. This volume therefore functions both as portrait and dossier, showing the human architecture behind mathematical ideas. Republished by Alpha Editions in a careful modern edition, this volume preserves the spirit of the original while making it effortless to enjoy today - a heritage title prepared for readers and collectors alike. Beyond biography, the selections form an indispensable academic research resource for scholars and historians tracing the networks of 1800s scientific figures and for anyone studying the history of mathematics or the institutional life of nineteenth-century science. The editorial selection foregrounds letters that illuminate teaching, observatory practice and the friendships that sustained a scholarly life, so the book reads as both primary material and reflective literature. At the same time its blend of personal correspondence and accessible narrative appeals to casual readers drawn to poetry and letters and to collectors seeking a distinguished classic. Hamilton's offices as Andrews Professor of Astronomy in the University of Dublin and Royal Astronomer of Ireland recur throughout, giving close sight of the institutional life that shaped scientific work and public reputation in the 1800s.