William Dunn Macray was an English librarian, cleric, and historian whose contributions significantly shaped the understanding of one of the most important libraries in the world. Educated at Magdalen College, Oxford, he dedicated nearly six decades of his life to the Bodleian Library, where he served from 1845 until 1905. His scholarly work culminated in the publication of 'Annals of the Bodleian Library' in 1868, which provided a comprehensive institutional history of the library. This work was notable for its meticulous research and detailed account of the library's evolution, and it was later updated in a second edition in 1890, reflecting ongoing developments in the institution's history. Macray's influence extended beyond his writings; he was recognized for his academic contributions with an honorary Doctor of Letters degree from the University of Oxford in 1902. His legacy is marked by his commitment to preserving and documenting the history of the Bodleian Library, making it accessible for future generations. As a figure in the realm of library science and historical scholarship, Macray's work remains a vital resource for understanding the cultural and intellectual heritage housed within the Bodleian's walls.