Craig Benjamin

Craig Benjamin is a Professor of History in the Meijer Honors College at Grand Valley State University in Michigan, where he teaches big history and ancient world history.  Craig is a frequent guest presenter at conferences worldwide, and the author of several books and numerous chapters and articles on world history. Recent books include Big History: Between Nothing and Everything (McGraw-Hill, 2014); Volume 4 of the Cambridge History of the World (Cambridge University Press, 2015); Empires of Ancient Eurasia; The First Silk Roads Era, 100 BCE – 250 CE (Cambridge University Press, 2018); The Routledge Companion to Big History (Routledge, 2019); and Traditions and Encounters: A Global Perspective on the Past (McGraw-Hill, 2020).

Craig has recorded three courses for the Great Courses company – Foundations of Eastern Civilization, Big History of Civilization, and the Mongol Empire.  Craig has served as Chair of the College Board’s Advanced Placement and SAT World History exam committees.  He is a Past-President of the World History Association, and served as an executive officer on the Board of the International Big History Association from 2011 to 2018 and is currently a member of the Advisory Board for the Bill Gates One World History Project. Before becoming a historian, Craig was a professional jazz musician in his native Australia for 25 years.  Craig has also been an adventurer for much of his life and has trekked and climbed in most of the great mountain ranges on the planet.

Adam Tanner

A writer and lecturer, who spent much of his career as a foreign correspondent, Adam Tanner has long studied the impact of colonialism, economic engagement and globalization, and is especially interested in the enduring impact of Europe on Asia, Latin America and Africa. He has appeared on CNN, Bloomberg TV, NPR, the BBC and written for publications such as Scientific America, Forbes, Fortune, Time and MIT Technology. He is an associate at the Institute for Quantitative Social Science (IQSS) at Harvard University where he has been since 2011, first as a fellow at the Nieman Foundation, then at IQSS. He is also an expert on privacy and commerce and has written two books, What Stays in Vegas and Our Bodies, Our Data.

Janet Duncan Jones

Janet Duncan Jones is Professor of Classics at Bucknell University. She received her B.A. in Latin from the College of William and Mary and her M.A. and Ph.D. in classical archaeology from the University of North Carolina at Chapel Hill. Janet is an active field archaeologist specializing in Greek and Roman art and architecture, ancient urbanization, ancient technology with a focus on ancient glass production, and environmental history. Her publications focus on ancient technology and the impact of those technologies on ancient landscapes. Her current research focuses on the impact of the Moors in southern Spain on urbanism, architecture, technology, and intellectual history. Janet is full of stories from her extensive travels in the Mediterranean and Middle East and from over 20 years of archaeological field work in Greece at Athens and Corinth, in Turkey at Gordion and Gritille Hoyuk, in Tunisia at Carthage, and in Jordan at el-Lejjun, Humayma, and Aqaba.

Peter Bobrowsky

Peter Bobrowsky is a professional archaeologist and geologist with 40 years of experience working as a consultant, scholar, teacher and researcher across the globe. His academic achievements include almost 500 publications - 20 technical books such as the Encyclopedia of Natural Hazards, Encyclopedia of Engineering Geology and The Landslide Handbook - the latter written for the general public has been translated into Spanish, Portuguese, Mandarin, and Japanese; induction as an International Fellow of the Explorers Club of New York and Fellow of the Geological Society of America. He is the recipient of numerous awards including most notably the Eugene Shoemaker Communications Award for Best Book (2009), the Edward B. Burwell Jr. Award for Engineering Geology (2011), the Queen Elizabeth II Diamond Jubilee Medal (2012) and the James Harrison Outstanding Achievement Award (2020).

Dr. Bobrowsky has a prominent history of international positions and appointments in particular Secretary General of the International Union of Geological Sciences an NGO representing some 1 million earth scientists around the world, President of the Canadian Quaternary Association, President of the Geological Association of Canada and President of the International Consortium on Landslides.

A popular global public speaker for the past 25 years he remains a much sought after and well-liked lecturer for the Smithsonian since 2004. His multi-disciplinary background and extensive travel to over 110 countries contribute to his unique, informative and enthusiastic speaking style. A born extrovert, with an easy going manner, Peter strives to understand and explain the crucial links between a diverse and dynamically changing Earth and the evolution of changing societies through history.

He divides his time between travel adventures and home life near Sidney by the Sea on Vancouver Island.

Katryn Wiese

Katryn Wiese is a professor of Geology and Oceanography at City College of San Francisco, where she has taught field, lab, and lecture classes since 1995. She studied Earth and Ocean Sciences at Caltech, Oregon State University, and Stanford University and focused her early research experiences on volcanic processes in Australia, Iceland, and the seafloor. Since then, she has journeyed worldwide as a scientist and field guide, gaining local geologic and oceanographic expertise across the U.S., Central and South America, Arctic and Antarctic locales, and a multitude of ocean island locations including the Azores, the Galapágos Islands, Palau, Tahiti, Fiji, and the Hawaiian Islands. In the classroom, in the field, or through her Earth Rocks! YouTube video channel, Katryn’s primary focus today is helping students of all ages and backgrounds recognize and understand the geologic and oceanographic phenomena that build and modify the landscape and impact our climate and society.

Allan Langdale

Allan Langdale grew up on Vancouver Island wondering what the rest of the world was like and has spent much of his adult life finding out. Allan is an art and architectural historian, photographer, filmmaker, and travel writer who received his Ph.D. in art history from UC Santa Barbara. He has taught courses in Italian Renaissance art, Greek, Roman, Byzantine (including Georgian and Armenian architecture), and Indian and Islamic art and architecture. He currently teaches art history at UC Santa Cruz as a lecturer.

Along with several articles, Allan wrote the definitive architectural field guide to the little-known region of Turkish Cyprus, In a Contested Realm (2012) and also made the award-winning documentary film The Stones of Famagusta: the Story of a Forgotten City (2008). His travel books include Palermo: Travels in the City of Happiness (2015) and The Hippodrome of Istanbul / Constantinople: An Illustrated Handbook of its History (2019).

A popular Smithsonian Expert, Allan has traveled extensively in the Mediterranean, the Black Sea region, the Middle East (including Jordan and Egypt) India, and Southeast Asia (including Cambodia, Thailand, and Burma).

Don Wilson

Don Wilson is Curator Emeritus of Mammals at the Smithsonian's National Museum of Natural History and was named senior scientist in January 2000. Don was director of the Smithsonian's Biodiversity Programs for ten years. A distinguished mammalogist and an internationally recognized authority on bats, he earned his Ph.D. in Biology from the University of New Mexico. He is the author of over 280 scientific publications and 30 books, including the highly acclaimed 9-volume series Handbook of Mammals of the World. For the last 50 years, his work has taken him around the world conducting field work and research. He has led tours for Smithsonian Journeys to most of the world's greatest natural history destinations, from Antarctica to Zimbabwe. Don loves to share his passion for the natural world, and his easygoing nature, sense of humor, and excellent presentations have earned him much praise and a loyal following from Smithsonian travelers.