Adrian Wisnicki talks about the British expeditionary literature of the late 1800s. Wisnicki is the author of Fieldwork of Empire, 1840-1900: Intercultural Dynamics in the Production of British Expeditionary Literature.

Rachel Walker talks about physiognomy -- the study of the human face -- and why it was so popular among scientists and the general public. Walker is an assistant professor of history at the University of Hartford. She is completing a book based on her dissertation, "A Beautiful Mind: Faces, Beauty, and the Brain in the Anglo-Atlantic World, 1780-1860."

Alistair Sponsel talks about Darwin's experiences on HMS Beagle and his early career as a naturalist. Sponsel's close reading of Darwin's journals and letters reveals insights about the man that would become known as the father of evolution. Sponsel is the author of Darwin's Evolving Identity: Adventure, Ambition, and the Sin of Speculation.

David Woodman talks about his quest to find the missing wrecks of the Franklin Expedition, a mission that led him to the journals of the Arctic explorer Charles Hall who lived with the Inuit for four years and recorded their encounters with British explorers. Woodman is the author of Unravelling the Franklin Mystery: Inuit Testimony, a book that correctly predicted the site of HMS Erebus discovered by Parks Canada in 2014.

Ingrid Horrocks talks about the way women travelers, specifically women wanderers, are represented in late-eighteenth century literature. Horrocks in an associate professor in the School of English and Media Studies at Massey University in Wellington, New Zealand. She is the author of Women Wanderers and the Writing of Mobility, 1784–1814.

Sarah Qidwai talks about her research on Sayyid Ahmad Khan as well as her own journey to Mecca and Medina. Qidwai is a Ph.D candidate in the History of Science at the University of Toronto. Her essay "Reexamining Complexity: Sayyid Ahmad Khan's Interpretation of 'Science' in Islam" is in the edited collection Rethinking History, Science and Religion: Exploring Complexity published this year by the University of Pittsburgh Press.

Erika Milam talks about the scientific search for human nature, a project that captured the attention of paleontologists, anthropologists, and primatologists in the years after World War II. Milam is a professor of history at Princeton University. She is the author of Creatures of Cain: The Hunt for Human Nature in Cold War America.

Fiona Vernal talks about the migration stories of Hartford Connecticut's many communities. Vernal is an associate professor of history at the University of Connecticut and the creator of the exhibition "From Human Rights to Civil Rights: African American, Puerto Rican, and West Indian Housing Struggles in Hartford County Connecticut, 1940-2019" now open at the Hartford Public Library.

Dr. Vanessa Heggie talks about the history of biomedical research in extreme environments. Heggie is a Fellow of the Institute for Global Innovation at the University of Birmingham. She is the author of Higher and Colder: A History of Extreme Physiology and Exploration.

Shayne Legassie talks about Medieval travel, especially long distance travel, and the way it was feared, praised, and sometimes treated with suspicion. He also talks about the role the Middle Ages played in creating modern conceptions of travel and travel writing. Legassie is an associate professor of English and Comparative literature at the University of North Carolina, Chapel Hill. He is the author of The Medieval Invention of Travel.