The Oxford Dictionary of National Biography (ODNB) is a comprehensive reference work that provides detailed biographies of notable figures from British history. It covers individuals from various fields, including politics, science, literature, and the arts, offering insights into their lives and contributions. The ODNB is continually updated to include new entries and revisions, ensuring it remains a valuable resource for researchers and the general public. Published by the Oxford University Press, the ODNB is available both in print and online. It features over 60,000 biographies, ranging from ancient times to the present day. The dictionary serves as an essential tool for understanding the impact of these individuals on British society and culture.