Dan Lewis is the full-time Dibner Senior Curator for the History of Science & Technology at the Huntington Library in San Marino, California. He is a writer and an environmental historian who has taught at Claremont Graduate University as an Associate Research Professor, and at USC in both the Organismic Biology and History departments. He also teaches at NYU Abu Dhabi every January, offering a course on birds in endangered ecosystems. Lewis is the author of four books and the co-author of another. His most recent book, on twelve species of trees from around the world, is forthcoming from Simon & Schuster in the Spring of 2024. He has held post-docs at at Oxford, the Smithsonian, the Rachel Carson Center in Munich, and elsewhere. Lewis also served as Chief Curator of Manuscripts for the Huntington for six years. His permanent exhibition Beautiful Science: Ideas that Changed the World was named as the best exhibition in America by the American Association of Museums the year after it opened. Lewis won an Emmy in 2020, as a producer for KCET's "Women in Aerospace" program. He is also a Commissioner for the IUCN's Species Survival Commission, as a Bird Red List Authority member, 2021–2025.