Hanne Nielsen talks about the challenges facing women who work in Antarctica. Nielsen is a Lecturer in Antarctic Law and Governance at the Institute for Marine and Antarctic Studies (IMAS) in Hobart, Tasmania. She’s the co-author, along with Meredith Nash, of “Gendered Power Relations and Sexual Harassment in Antarctic Science in the Age of #Me Too,” due out this year in Australian Feminist Studies.

Kim Walker talks about the history and science of cinchona bark as a tonic, medicine, and mixer. Walker is a biocultural historian completing her PhD work on the Cinchona Bark Collection at Kew Gardens. She’s the co-author (along with Mark Nesbitt) of Just The Tonic: A Natural History of Tonic Water.

Edwin Rose talks about Joseph Banks and Georg Forster, naturalists on the Cook expeditions, and how political ideas shaped the way these specimens were understood back in Europe. Rose is completing a PhD. in the Department of History and Philosophy of Science at the University of Cambridge and will soon be the Munby Fellow in Bibliography at Cambridge University Library and a research fellow at Darwin College, Cambridge. He’s the author of “Publishing Nature in the Age of Revolutions: Joseph Banks, Georg Forster, and the Plants of the Pacific,” published in the April 2020 edition of the Historical Journal.

David Chang talks about the history of indigenous Hawaiians (Kanaka Maoli) as explorers and geographers of the world. Chang is a professor of history at the University of Minnesota. He’s the author of The World and All the Things upon It: Native Hawaiian Geographies of Exploration.

Babak Ashrafi and Jessica Linker talk to me about my book The Lost White Tribe: Explorers, Scientists, and the Theory that Changed a Continent. Ashrafi and Linker produced this interview for the Consortium for the History of Science, Technology, and Medicine. You can find many podcasts, video lectures, and other materials at the Consortium website CHSTM.org. Thanks to Tyler Putman, Mathilde Leduc-Grimaldi, and Nicholas Barron for contributing questions to the interview.

Glen Asner and Stephen Garber talk about NASA’s efforts to plan ambitious missions in the face of huge political and financial challenges. Asner is the Deputy Chief Historian for the Historical Office, Office of the Secretary of Defense (OSD). Garber works in the NASA History Division at NASA Headquarters. They are the authors of Origins of 21st-Century Space Travel: A History of NASA’s Decadal Planning Team and the Vision for Space Exploration, 1999–2004.

Antony Adler talks about the history of ocean science in the nineteenth and twentieth centuries. Adler is a Research Associate in the History Department at Carleton College. He’s the author of Neptune’s Laboratory: Fantasy, Fear, and Science at Sea.

Tina Adcock talks about the controversy over George Putnam's Baffin Land expedition and why it tells a bigger story about the changing culture of exploration in the 1920s. Adcock is an assistant professor of history at Simon Fraser University. She’s the author of the essay “Scientist Tourist Sportsman Spy: Boundary-Work and the Putnam Eastern Arctic Expeditions” which was published in the edited collection Made Modern: Science and Technology in Canadian History, edited by Adcock and Edward Jones-Imhotep.

Benjamin Hopkins talks about the concept of the frontier: how it exists not merely as a place on a map but as a set of practices used by colonial states around the world. Hopkins is an associate professor of history at George Washington University. He’s the author of Ruling the Savage Periphery: Frontier Governance and the Making of the Modern State.

Claire Isabel Webb talks about the search for extraterrestrial life and the different strategies used by astronomers and exobiologists to look for it. Webb is a PhD candidate at MIT's History, Anthropology, Science, Technology, and Society Program. Her dissertation project, “Technologies of Perception: The Search for Life and Intelligence Beyond Earth” won the HSS/NASA Fellowship in Aerospace History.