The Dictionary of National Biography (DNB) is a comprehensive reference work that provides biographical information on notable figures from British history. First published in 1885, it includes entries on individuals from various fields, such as politics, literature, science, and the arts. The DNB aims to document the lives and contributions of these individuals, offering insights into their significance in British culture and society. The DNB has undergone several updates and expansions, with the most recent edition being published online. It serves as a valuable resource for researchers, students, and anyone interested in learning about influential figures like William Shakespeare, Isaac Newton, and Winston Churchill.