David Hannay (1853-1934) was a notable British man of letters, Navy officer, and a prominent literary critic of his time, best known for his expertise in maritime literature and history. His scholarly pursuits were deeply influenced by his naval background, which provided him with a firsthand experience and understanding of seafaring life, greatly informing his written works. Among Hannay's most significant contributions to literary scholarship is his seminal biography, 'Life of Frederick Marryat' (published in 1889), which offers a comprehensive account of Captain Marryat's life, an influential figure in the development of the naval adventure novel. Marryat, himself an English Royal Navy officer turned writer, was an inspiration to later seafaring authors, and Hannay's biography graphically outlines his adventurous life and literary legacy, providing valuable insights into early 19th-century nautical life and literature. Hannay's narrative style in the biography and other works characteristically combines academic thoroughness with engaging storytelling, reflecting both his deep erudition and his ability to captivate readers. His work remains a reference point for scholars interested in maritime history and the evolution of naval fiction. David Hannay's contributions extend beyond biography to essays and reviews, wherein his literary acumen and analytical prowess are consistently evident, further cementing his reputation as a scholar of distinguished merit in the realm of historical and literary studies.