Diana Preston is an Oxford-trained historian and acclaimed author known for her extensive work in narrative history. She has written several notable books, including "Lusitania: An Epic Tragedy," "Before the Fallout: From Marie Curie to Hiroshima," which won the Los Angeles Times Book Prize for Science and Technology, and "The Boxer Rebellion".

Preston has also co-authored books with her husband, Michael Preston, under the pen name Alex Rutherford. Together, they have written the six-book historical fiction series "Empire of the Moghul," which explores the rise and fall of the Mughal Empire 3. Their research often involves retracing historical journeys, such as traveling from the Ferghana Valley in Kyrgyzstan to the plains of northern India.

Diana Preston lives in London, England, and continues to contribute to the field of history with her detailed and engaging writing.